1、Adopt good quality chips, made after fine grinding processing, bring accurate measuring effect 2、The product is widely used in the measurement of various types of machining, useful and practical 3、Meet the national standard industrial product standard, possess stable structure 4、The measurement gauge is made of good quality stainless steel material, which is not easy to rust 5、The product can measure the inner diameter, angle and length, the range is 0‑70mm, which is convenient to use Item Type: Electronic Digital Vernier Caliper Resolution: 0.01mm Power Supply: 1 x silver oxide battery SR44, 1.55v (battery not include) Specification: Approx. 0 ~ 70mm / 0 ~ 2.8in Material: Stainless steel Measuring Speed: ≤1.5m/s Working Temperature: 0~+40℃ Relative Humidity: <80% Storage Temperature: -10℃~+60℃ 1 x Caliper 1 x Screwdriver 1 x Storage Box 1 x User Manual Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-dadangjia