Features 1、Suitable for measuring inner diameter, outer diameter and depth, very practical 2、Electronic digital vernier caliper come with high sensitivity, stable and reliable operation 3、The main components are made of special stainless steel, with good wear resistant and rust proof performance 4、The product is widely used in the measurement of various types of machining, helps a lot 5、Made with advanced technology and excellent craftsmanship to bring smooth surface, which will not hurt your hands in work Specification Item Type: Electronic Digital Vernier Caliper Specification: Approx. 0 ~ 150mm / 0 ~ 5.9in Reading Value: 0.01mm Material: Stainless steel Battery Specification: 1 x 1.5v button battery(not include) Probe Specifications: Ceramic Round Probe: Diameter: Approx. 3mm / 0.1in Size: Approx. 8.3mm / 0.3in Ceramic Round Rod(LxD): Approx. 10 x 2.0mm / 0.4 x 0.1in Ball Probe(LxD): Approx. 20 x 5.0mm / 0.8 x 0.2in Alloy Tip Probe: Length: Approx. 17.5mm / 0.7in Size: Approx. 2.0mm / 0.1in Package List 1 x Caliper 1 x Screwdriver 1 x User Manual 1 Pair of Ceramic Round Probe 1 Pair of Ceramic Round Rod 1 Pair of Ball Probe 1 Pair of Alloy Tip Probe 1 Pair of Extension Pole 1 x Storage Box