May 4, 2021
Category: Science
SaleBestseller No. 1
HDLNKAK Dial Caliper 0-6"/150mm Dual Reading Scale, Inch/Metric SAE Standard, Stainless Steel...
- Dual Reading Scale for Precision - The HDLNKAK Dial Caliper features a dual reading scale, allowing you to measure in both inches and millimeters (0-6"/150mm), ensuring versatility and accuracy for a wide range of applications.
- High-Accuracy Measurement - This caliper delivers precise measurements with an accuracy of 0.001” (inch) and 0.02 mm (metric), making it ideal for professional and hobbyist use where precision is critical.
- Durable Stainless Steel Construction - Made from high-quality stainless steel, this caliper is built to resist corrosion, ensuring long-lasting durability and reliable performance in various working environments.
- Easy-to-Read Dial Display - The clear dial display provides easy and quick readings, reducing errors and making it suitable for both beginners and experienced users.
- SAE Standard Compliant - Designed to meet SAE standards, this measuring tool is perfect for automotive, mechanical, and industrial applications, offering trustworthy and consistent results
SaleBestseller No. 2
Digital Caliper, Sangabery Dial Caliper 6 Inch with Extra-Large LCD Screen, Plastic Vernier Calipers...
- DUAL-SCALE RANGE: Measurement range: 0 - 6''/ 0 - 150 mm; Resolution: 0.01’’/0.1 mm; Accuracy: +/- 0.2 mm/0.01’’. Ideal for jewelry (ring size), circuit boards, small mechanical parts, 3D print, industrial, woodworking, DIY and household
- JUMBO LCD SCREEN: Extra-large 1.9 inch display, clear readings in dark workshops or under bright sunlight. Reading speed increased by 60%, reducing eye fatigue during 8-hour shifts
- DURABLE & LIGHTWEIGHT: Crafted from high-strength carbon fiber, its sturdy structure ensures measurement accuracy while also being durable and easy to use, suitable for long-term use without causing hand fatigue
- 4-IN-1 MEASURING MASTER: Single-tool solution for 4 critical dimensions. Outer diameter(pipes, bolts, shafts), inner diameter (bearings, tubes, rings), depth (holes, grooves, slots), step height (machined parts, PCB boards)
- SMART & EASY-TO-USE: Just press the ON/OFF button to start measuring instantly. Quickly switch between mm and inches with one tap. The digital vernier caliper auto-locks after 5 minutes of inactivity to save power—perfect for workshops and DIY projects
Bestseller No. 3
Digital Caliper Measuring Tool, Stainless Steel Vernier Caliper Digital, Micrometer Calipers with...
- 【Accurate Measuring Tools】: Aurdeayi digital caliper Measuring Range: 0 - 6 inch/ 0 - 150 mm; Accuracy: ±0.001 inch/ 0.02 mm and Resolution: 0.0005 inch/ 0.01 mm
- 【INCH/MM Conversion】: This micrometer caliper digital has a quick-change button that changes between two measuring unit (INCH/MM) to make conversion a snap during measurement
- 【High Quality】: The body of the vernier caliper is made of high-strength stainless steel with large LCD display, a knurled thumb roller and locking screw that ensures smooth sliding and accurate positioning when taking measurements
- 【Wide Application】: The digital micrometer can easily and accurately measure internal, external, height and depth dimensions. It is a great choice for DIY enthusiasts, mechanics, woodworkers, jewelers, craftsmen, auto mechanics, and more
- 【Friendly Tips】: 1. The calipers measuring tool not waterproof, not resistant to oil and liquids, wiping frequently can be better maintained; 2. there are 3 batteries and a insulating sheets are provided, which can better prolong the service life of the battery, before use, please withdraw the insulating sheets, after use, you can re-insert it to extended battery life; 3. when you have no action on the dial caliper, it can automatically shut off after 5 minutes to save power
SaleBestseller No. 4
Konohan 2 Pcs Brass Vernier Caliper Pocket Handy Caliper Measuring Mini Tool Double Scale Sliding...
- Double Scales to Use: these vernier calipers are designed with double scales, available in mm and inch scales, saving your time, thus measuring quickly, bringing large convenience to your work
- Ideal for Measuring Jewelry: the buttons on these pocket rulers make it easy for you to push and pull the ruler, ideal for you to measure the inside or outside diameters of wood beads, glass beads, rings, gems, jewelry and other items
- Sturdy and Vintage: adopting solid brass as material, these sliding calipers are well made and serviceable, firm and hard, well crafted, resistant to distortion, fade and rust, non magnetic, shiny and glossy, full of retro atmosphere, will serve you for a long time
- Double Scales to Use: these vernier calipers are designed with double scales, available in mm and inch scales, saving your time to convert units, thus measuring quickly, bringing large convenience to your work
Bestseller No. 5
WF Vernier Scale Metric and Inch Measurements Stainless Steel Construction Micrometer Calipers...
- Micrometer Caliper digital dual scale caliper calibre : The upper scale is inches and the lower scale is centimeters
- 6 inch vernier caliper : have the characteristics of simple structure, easy use, moderate accuracy, and large measurement size range
- simple micrometer : The main ruler and vernier of a vernier caliper have two sets of movable measuring claws, and the outer measuring claw is usually used to measure length and outer diameter.
- Precision Measuring Tools : When measuring, hold a ruler in your right hand, move the cursor with your thumb, and hold the object to be measured in your left hand, so that the object is located between the outer or inner measuring claws
- general tools caliper : It can be used to measure the inner diameter, outer diameter, length, width, thickness, depth, and hole spacing of parts, and has a wide range of applications. It belongs to a universal measuring tool.
Bestseller No. 6
iGAGING 6-Inch 150 mm Dial Caliper, Dual Reading Scale, Metric and SAE Standard Measurement
- DUAL MEASUREMENT: Features both metric (150mm) and imperial (6-inch) scales for versatile measurement capabilities
- PRECISION DIAL: Large easy-to-read dial face with clear graduations for accurate measurements down to 0.001 inch
- CONSTRUCTION: Hardened stainless steel design ensures durability and maintains measurement accuracy over time
- VERSATILE USE: Four-way measurement capability for inside, outside, depth, and step measurements
- SMOOTH OPERATION: Precision-ground stainless steel slide with thumb roller for fluid, consistent movement
SaleBestseller No. 7
Non Digital Vernier Caliper, 6"/150mm Stainless Steel Caliper Measuring Tool, High Precision...
- ✪ 𝗣𝗿𝗲𝗺𝗶𝘂𝗺 𝗠𝗮𝘁𝗲𝗿𝗶𝗮𝗹: Made of high-quality stainless steel, durable and precise.
- ✪ 𝗗𝘂𝗮𝗹 𝗥𝗲𝗮𝗱𝗶𝗻𝗴 𝗦𝗰𝗮𝗹𝗲: Offers both metric and imperial measurements, 0mm-150mm and 0-6'', respectively.
- ✪ 𝗛𝗶𝗴𝗵 𝗥𝗲𝘀𝗼𝗹𝘂𝘁𝗶𝗼𝗻: With a resolution of 0.05/0.078'' for metric/imperial, ensuring accurate readings.
- ✪ 𝗪𝗶𝗱𝗲 𝗠𝗲𝗮𝘀𝘂𝗿𝗶𝗻𝗴 𝗥𝗮𝗻𝗴𝗲: Covers 0mm-150mm or 0-6'', suitable for various applications.
- ✪ 𝗣𝗿𝗲𝗰𝗶𝘀𝗶𝗼𝗻: Boasts an accuracy of 1/128 inch, providing reliable measurements.
SaleBestseller No. 8
Flutesan 6 Inch/ 150 mm Mini Plastic Vernier Caliper Double Scale Measuring Tool Rectangular Vernier...
- Size information: the mini plastic sliding gauge is rectangular, approximately 15 cm/ 6 inch in length and 6 mm/ 0.23 in width, measurement range is 0-6 inch, which can meet your needs
- Easy to read: clear scale allows you to get the measuring data accurately and clearly, you can use the caliper to measure depth, width and length easily
- Material: the mini plastic measuring tool is made of plastic, which is sturdy, unfadeing, not easy to break, can last for a long time use
- Package includes: there are 5 pieces of mini plastic vernier calipers with black color in the package, enough for you to use or share with friends and family
- Broad utilization: this mini plastic scale is in light weight, easy to carry and store, would not scratch the tested items, suitable for button, jewelry, round and small items
Bestseller No. 9
Pocket Caliper, 100mm Double Scale Sliding Gauge Brass Vernier Caliper Tool Handy Pocket Ruler - MM...
- 【Dual Scales&Accurate Measurements】- No need to second-guess or manually convert units—this pocket caliper features both millimeter and inch scales, giving you precise readings instantly. Perfect for speeding up your work and reducing costly errors, whether you're a professional jeweler or a DIY enthusiast.
- 【Built to Last with Premium Brass】- Say goodbye to flimsy plastic tools! Made from solid, non-magnetic brass, this brass caliper is resistant to rust, distortion, and wear. Its durable construction ensures it stands up to daily use, delivering consistent performance you can rely on.
- 【 Lightweight & Compact & Portable】 - Don’t let heavy tools slow you down. At just 4.6 inches long, this pocket-sized caliper is easy to carry and store, making it ideal for on-the-go artisans or field professionals who need precision at their fingertips.
- 【Versatile Tool for Small, Delicate Objects】- Struggling with tools that can’t handle intricate measurements? This pocket ruler is designed to accurately measure the inside and outside diameters of small objects like beads, gems, and rings. It’s the ultimate solution for precise crafting and jewelry-making needs.
- 【Thoughtful Gift for Exquisite Enthusiasts】- Looking for a gift that’s both functional and stylish? With its vintage brass finish and practical design, this millimeter measuring tool is a thoughtful present for craftsmen, engineers, and hobbyists who value accuracy and quality.
Bestseller No. 10
Vernier Caliper Calipers Measuring Tool Micrometer Carbon Steel Inch/Metric 0-6" Range 1/128 Inch...
- DUAL Reading Scale,0mm-150mm Range, Inch/Metric 0-6’’Range 0.05/0.0078’’Resolution,1/128 Inch Accuracy
- The caliper has a comfortable feel, ergonomic design, smooth pulling, excellent workmanship, and durability
- Dial Caliper provides precise measurement of outside dimensions (OD) inside dimensions (ID), depth，depth and steps. Use for metalworking, woodworking, automotive, machining applications，and DIY handmade ,home use
- The ruler body is made of hardened steel Carbon steel with fine grinding and assembly. It feels smooth and comfortable to use. When using a metal pusher, you only need to push up gently with your thumb, which is convenient and fast. The tightening screw prevents the measurement slider from moving and causing data changes.
- The caliper is a relatively precise measuring tool. It should be handled with care and should not be collided or dropped to the ground. Do not use to measure rough objects when in use, so as not to damage the measuring claw, and should be placed in a dry place to prevent corrosion when not in use
Last update on 2026-01-13 / Affiliate links / Images from Amazon Product Advertising API
Bestseller No. 1
The Authentic Pocket Engineer - Small Metal Engineering Ruler Protractor Compass Scale, Techie...
- Credit Card-Sized Multitool for Engineers: This stainless-steel laser-cut pocket tool includes a straight-edge ruler, protractor, and a compass. From lab work to DIY projects, it’s the ultimate at-work companion. Metric or inches? No problem. Draft blueprints, calculate angles, and create precise drawings. Perfect for students, professors, engineers, and mechanics. Surprise your boyfriend, dad, or gadget-loving friends with a unique gift. An ideal stocking stuffer graduation gift.
- Packed With Engineering Reference Info: Never look up a basic engineering equation, physical constant or unit conversion again. It’s not just a ruler; it’s your quick-reference while in the field or on the job. Architects, carpenters, and electricians—slip it into your pocket to save time looking up conversions! It’s the ultimate tool for measuring, drafting, and fixing anything. A helpful, handy gadget for the cool dads, boyfriends, women engineers, or hobbyist husband who loves to tinker!
- For Precision Technical Drawings: Always be ready to take a quick measurement or sketch a new design accurately with the ruler, protractor and compass drawing tools. From construction sites to woodworking benches, this stainless-steel multitool is your centimeter, millimeter, mils and inches ruler with angular precision of 5 degrees. A must-have for engineering, architects, machinists, draftsmen, field engineers and practical nerds! Be quick to measure, cut, and work with precision.
- Never Outgrow It: Reference info stays useful for a long career, Give a professional, student or budding young engineer a unique, thoughtful and practical gift for homework to cutting-edge research. Ideal for tech-savvy students, teachers, and DIY enthusiasts. The perfect desk accessory and EDC gift for civil, mechanical, and electrical engineers. In the lab or the job site, surprise your boyfriend, dad, mom, lab mate or favorite engineer with something they will keep for years.
- Lasts for a Lifetime: The laser-etched solid stainless steel ruler, laser-cut protractor, and the laser-engraved reference info lasts forever. Whether you’re converting inches to millimeters, PSI to Torr, or measuring angles, it's an every-day carry pocket companion for a lifetime. Essential for ingenieros and ingenieras with both English and Metric system conversions! Surprise your engineering employees, manufacturing team, or quality control staff with an awesome corporate gift!
SaleBestseller No. 2
Construction Calculator with Writing Tablet Industrial & Scientific ROATEE Engineering Calculator...
- Construction Calculator with Writing Tablet:Equipped with a flip-page writing pad for quick note-taking, it requires no paper or pen, making it both eco-friendly and convenient. The thick, phone-like material provides strong, phone-level protection, keeping your calculator safe from drops and harsh construction environments
- 200+ Engineer Functions: For Mixed Dimension Calculations and Conversions,Area & Volume,Brick and Block,Concrete, Boards, Flooring, and Wall Stud,Drywall Sheet Count,Circle Area, Circumference, and Arc Properties,Compound Miter,Polygon Tiling,Roofing Material,Foundation Correction,Right Angle and Rafter,Roof Pitch and Angle Conversions,Common Rafter Length,Common/Hip/Jack Rafter and Spacing,Stair Layout,Rake Wall Calculations
- Precision for Every Construction Mind: More than 200 functions, designed specifically for engineering professionals, has 45 fast rebound hard PC buttons are reasonably distributed, more than other engineering calculator.It supports custom parameters.and has 3 storage registers for more convenient and smooth use
- Big Screen & Energy-Saving：With a 3" 12 digits large screen,Higher clarity and lager than other calculators.Clearer reading, fewer errors,8-12 minutes of no operation automatically shut down without worrying about energy consumption
- All-in-One Fit: Suitable for most people including builders, carpenters, concrete workers, contractors and DIY home renovators, roofers, architects, interior decorators, construction estimators, engineering students, etc
Bestseller No. 3
12-Inch Architectural and Engineering Scale Ruler Set (Imperial) | Laser-Etched Aluminum Triangular...
- ✎ 3 RULER COMBO SET - Architect ruler engineering scale professional or educational drafting tools metal ruler 12 inch
- ✎ LASER ETCHED - Architect scale drafting ruler tat will last permanent grooves that will never fade
- ✎ SOLID CORE ALUMINUM - Architect scale ruler engineer scale durable, anodized corrosion resistance
- ✎HIGH VISIBILITY - scale drafting kit ruler contractor quick easy to read architecture scale graduations precise
- ✎Professional grade - engineers scale scale ruler for blueprints supreme accuracy Color-coded groove
Bestseller No. 4
Piutouyar 12 Inch Engineer Scale Ruler, Metal Engineering Ruler Aluminum Laser-Etched Triangular...
- Package Contents: This set of triangular drafting tool includes 1 pcs 12 inch engineer scale ruler and 1 pcs pvc packing box
- Sturdy and Durable: Our triangular engineer scale ruler is made from sturdy and durable materials such as anodized aluminum alloy and black aluminum oxide. These materials ensure long-lasting performance, resistance to corrosion, and protection against damage. Compared to fragile plastic products, our ruler is more reliable and durable.
- Laser Etching: The markings on the ruler are precisely laser-etched, ensuring clarity and readability. These markings are bold, visible, and will never fade or rub off, guaranteeing long-lasting usability.
- Six Scales: Our 12 inch engineer scale ruler features six scales: 1:10, 1:20, 1:30, 1:40, 1:50, and 1:60. These multiple scales cater to various measurement needs, providing convenience for professionals.
- Wide Applications: This engineer scale ruler is widely applicable in various scenarios. Whether it's blueprinting, civil engineering, architectural drawings, or technical illustrations, it is the preferred tool. Its precise measurements and multifunctional design make it an ideal choice for architects, engineers, and students.
Bestseller No. 5
Pocket Chemist: Organic Chemistry Stencil Drawing Template Small Metal Ruler - Chemist, Chemical...
- Solid Metal Solvent-Proof Chemistry Stencil: Sturdy and low-profile so you don't have to fumble with a tablet-sized flimsy plastic stencil in your limited work space. Designed for chemists, biochemists, and organic chemistry students! Whether you’re in a chemistry lab, tackling Orgo homework, or sketching new chemical reactions, this multifunctional tool is always in your pocket to help. From drawing molecular structures to precise measurements, it also makes an ideal graduation or welcome gift.
- Better Molecules In Less Time: Turn in professional-looking chemistry homework and focus on the reaction, not how to draw it. Sketch immaculate reactions in seconds with the benzene ring, boat and chair conformation stencils while using the ruler for consistent bond lengths to substituents and functional groups. A perfect straight-edge that doubles as a molecular drawing template - save time with precision. Plus, your colleagues, professors or TAs will love how neatly drawn your reactions are!
- A Joy To Draw With: Smooth-glide precision-cut stencil openings have rounded edges to fit most 0.7mm pens, pencils and smaller without cutting into pencil lead. No more snagging or rough edges! Plus, the weight of the stainless steel card keeps it from shifting around with a draft in the room. Whether you’re sketching, drafting, tackling chemistry homework, or a full chemical engineering design project, this stencil finally gives you a frustration-free drawing process.
- Bonus References Engraved: No more fumbling with conversion factors! Quickly find equivalents between different units—grams to moles, Torr to mmHg, and more. Whether it’s the Ideal Gas Law, the Nernst equation, or a simple molarity calculation, these essential formulas are right at your fingertips. Plus it has Avogadro’s number, Planck’s constant, and Pi to 41 places past the decimal! These essential chemistry constants are like having a cheat sheet built into your drawing tool!
- Will Not Snap or Tear: This 3.25 inch metal card is a durable, laser-cut tool designed for chemists, organic chemistry students, and professors. It won’t snap or tear like plastic stencils, and it fits any credit card slot. It comes with bonus engraved references for unit conversions, equations, and physical constants—perfect as a gift! It's a reliable companion for chemical engineers, chemistry grad students, and post-docs who need to sketch chemical equations or do calcualtions in a pinch!
Bestseller No. 6
Scientific Calculator with Graph Functions for College and High School Students, Engineering,...
- The Nadex Scientific Calculator with Graphing Functions is the perfect, student friendly choice for high school and college students for use in Advanced Mathematics and AP Courses such as Pre-Algebra, Algebra I, Algebra II, Geometry, Trigonometry, Pre-Calculus, Calculus, Statistics, and so much more.
- Perfect for PSAT/NMSQT, SAT, ACT and AP Exam Testing Prep! With over 360 functions including complex number calculations, fractions, linear regression, standard deviation, permutations, and variable solving.
- Featuring 3 operating modes: Calculation Mode, Angular Measurement Mode, and Display Mode.
- Large screen enables the simulatenous display of equations and graphic visuals. Note: This is not a graphing calculator. The graph functions is intended for formula visualizations.
- Battery Included: The calculator includes a secondary replacement battery ready in the battery chamber for your convenience.
SaleBestseller No. 7
Casio fx-115ES Plus 2nd Edition – Advanced Scientific Calculator | 280+ Functions, Natural...
- 16 digit 4 line LCD display
- NATURAL TEXTBOOK DISPLAY℠ – View fractions, equations, and results exactly as they appear in your textbook, simplifying the interpretation of complex math.
- OVER 280 FUNCTIONS – Includes advanced capabilities like complex number calculations, linear regression, summation (∑), integration (∫), permutations and combinations, polar-rectangular conversions, and matrix/vector operations.
- MULTI-REPLAY FUNCTION – Backtrack through your calculations, edit expressions, and recalculate answers step-by-step for easy error checking.
- EXTENSIVE SCIENTIFIC & MATH FUNCTIONS – Solve simultaneous equations, quadratic and cubic equations, and explore advanced topics and classes like Trigonometry, Pre-Calculus, Calculus I or II, Physics, Statistics, or other college-level courses.
Bestseller No. 8
9'' inch Proportional Divider Engineer Drafting Tool 9 INCH Scientific Steel Point
- Brass 9 in. Proportional Divider Steel End For Sharp Point This detailed item measures approximately 9 inches Point To Point and 3/4 inch wide.
- Fine piece of drafting equipment-very well made. NOTE: No guarantee on the accuracy, as this depends on the person using the item. ( for example if you do not have short end set at exactly 1 in and the long end set at 3 in you will not have a 3 in to 1 in ratio
- Among several functions, proportional dividers can be used to increase or decrease lengths of lines and diameters of circles, and can they be used to inscribe regular polygons within circles (dividing the circumference of a circle into equal parts).
- Size : 9 inch, 22.9 cm Approx
- Material : Brass & Steel
Bestseller No. 9
DUFCUSPH 10 Pack Scientific/Engineering Calculator, 2 Line Display, Black, Fraction & Complex Number...
- Scientific Calculator Bulk: You will get 10 packs of calculators for school, Over 240 functions, including fractions, statistics, complex number calculations, base arithmetic, linear regression, standard deviation, computer science, and polar-rectangular conversions
- 2-Line HD Display: Our caculator bulk have 2-line, 12-digit widescreen HD display, support superscripts function,Facilitate our calculations, display fractions, derivatives, integrals, sums, and other operations
- Robust Design: Made of durable ABS material, Ergonomics Design And Offers A Comfortable Grip. sliding cover which can be covered to the back when using, and can be covered to store to prevent dust after use
- Memory/Replay: Memory function that display your work and previous solutions; no need to recalculate difficult problems
- Widely Use: Ideal for junior & high school students, college students and professional researchers. Suitable for SAT, GCSE, etc.. If you need to replace battery, just open the battery cover on the back without any tools(batteries included)
Last update on 2026-01-13 / Affiliate links / Images from Amazon Product Advertising API
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