How long does the battery last in these calipers?

Depends on how much you use it. For me I only use it a little so the battery has lasted a long time. I have not even had to break out the 2nd battery yet. If you use it every day for 8 hours a day I bet you would have to replace it more often. DUH

What is the smallest inside diameter that I can measure?

Since it starts from zero you can measure 0.1mm but don’t try to force it I know is cheap but it does the job for me

how long are the jaws on this caliper

Outside jaws are 40mmm / 1.5 inches deep Inside jaws are 15mm / .625 inches deep.

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Digital Caliper Measuring Tool, Stainless Steel Vernier Caliper Digital Micrometer with Large LCD Screen, Easy Switch from Inch Metric Fraction, 6 Inch Caliper Tool for DIY/Household

Digital Caliper Measuring Tool, Stainless Steel Vernier Caliper Digital Micrometer with Large LCD Screen, Easy Switch from Inch Metric Fraction, 6 Inch Caliper Tool for DIY/Household

Product ID: 743361654

Details

Brand
Jiavarry
Material
Stainless
Measurement Accuracy
± 0.001"/
Product Dimensions
6"L x 6"W
Range
1.5E+2

📏±0.001" / 0.02mm accuracy

🔄Instant inch/metric/fraction switch

🛠️6-inch precision range

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1255149₫

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Details

Brand
Jiavarry
Material
Stainless
Measurement Accuracy
± 0.001"/

Description

📐 Measure Like a Pro, Every Time!

SMART POWER SAVING - Auto shut-off after 5 minutes of inactivity means your caliper is always ready when you are—no wasted battery life.
LARGE EASY TO READ LCD - Stay on top of your measurements with a bright, sunlight-readable screen and quick unit conversion at the push of a button.
PRECISION AT YOUR FINGERTIPS - Experience ultra-accurate measurements with ±0.001" / 0.02mm resolution—perfect for professional-grade projects.
ROBUST STAINLESS STEEL BUILD - Crafted from high-strength stainless steel, this caliper is waterproof, dirt-proof, and built to last through every project.
VERSATILE 4 IN 1 MEASUREMENT MODES - Measure inside, outside, depth, and step dimensions effortlessly with dual jaws and probe for all your DIY and professional needs.

This 6-inch stainless steel digital caliper offers professional-grade precision with ±0.001" / 0.02mm accuracy, four versatile measurement modes, and a large, easy-to-read LCD screen. Designed for durability and convenience, it features waterproof construction, instant unit switching between inches, fractions, and millimeters, and an auto power-off function to save battery. Ideal for DIY enthusiasts, machinists, jewelers, and woodworkers seeking reliable, precise measurements in a sleek, durable tool.

Specifications

ASIN	B08Y8M54M9
Best Sellers Rank	#480 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1 in Vernier Calipers #32 in Hand Tools (Tools & Home Improvement)
Brand	Jiavarry
Brand Name	Jiavarry
Customer Reviews	4.5 out of 5 stars 8,107 Reviews
Item Dimensions L x W	6"L x 6"W
Item Weight	0.34 Kilograms
Manufacturer	Jiavarry
Material	Stainless Steel
Material Type	Stainless Steel
Measurement Accuracy	± 0.001"/ 0.02mm
Model	20-F
Part Number	kachi*steel452
Product Dimensions	6"L x 6"W
Range	1.5E+2 Millimeters
Set Name	Digital Caliper Measuring Tool Set
UPC	739515003250
Unit Count	1.0 Count

Reviews

R**R

28.02.2026

P**3

26.04.2026

C**D

11.02.2026

P**T

17.11.2025

K**A

5.02.2026

B**G

10.01.2026

B**T

30.10.2025

A**R

22.03.2026

C**M

7.12.2024

O**A

21.11.2024

R**T

12.12.2025

F**.

20.03.2024

A**L

12.10.2023

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