Small Digital Caliper 0-4″ Mini Measuring Tool, Micrometer Caliper with Auto-Off Feature, Interchangeable Between inches and millimeters for Jewelry Measurement and 3D Printing

Price: $6.99
(as of Sep 24, 2026 05:33:07 UTC – Details)

Product description

Product Specifications

Functions: External Measuring,Internal Measuring,Depth Measuring,Step Measuring；Resolution: 0.01”/0.1mm

Accuracy: ±0.2mm/0.01”

Battery: 1.5V LR44 button cell

Material: ABS+Carbon Fiber

Auto power off: 5 minutes without operation

Comparison Test 1

Clamp A with a caliper, press the reset button to reset to zero, and then test B, you can test the size difference between A and B.

Comparison Test 2

The inner test surface of the caliper fits A, press the reset button to zero, and then test B, you can test the size difference between A and B.

Indirect test 1

Clamp A with a caliper, press the reset button to reset to zero and then test B, you can get the test result of dimension C (please ignore -).

Indirect test 2

The inner test surface of the caliper fits A, reset to zero, and test B, then size of C can be tested.

[Household Measuring Tools] This plastic carbon fiber digital caliper is ideal for woodworking, jewelry and DIY measurement. With its excellent material toughness and low hardness, it can effectively avoid scratching the measured object.
[Measurement Accuracy] With a resolution of 0.01”/0.1mm and accuracy of ±0.2mm/0.01”, it can be applied to almost all home use scenarios (for industrial-grade high-precision use scenarios, please purchase additional professional tools)
[Main Function] 1.Measure inside and outside diameter, depth, and step with two sets of jaws ( upper and lower ) and a depth probe. 2.Quickly convert measurements between inches and millimeters. 3.Allows you to set zero at any point on the scale for more accurate measurements.
[Energy Saving and Safety] Open automatically turn on, and automatically turn off after 5 minutes of use. The caliper measuring feet are made of insulating plastic and have higher safety than metal calipers when measuring charged objects.
[After-sales Service] We are committed to providing customers with high-quality and practical tools. If you have any dissatisfaction with our products, please feel free to contact us, we provide return service within one year.
Customers find the caliper great for small projects and appreciate its functionality, with one noting it works right out of the box. They like that it stores easily in its case and consider it good value for money. The accuracy receives mixed feedback, with some finding it very accurate while others say it’s not very accurate. The build quality is positive, with one customer describing it as a first-class cheap digital caliper. The material and battery aspects also receive mixed reviews, with some appreciating the plastic construction and extra battery, while others find it cheaply made.