Feature:1. Suitable for measuring inner diameter, outer diameter and depth, very practical2. Electronic digital vernier caliper come with high sensitivity, stable and reliable operation3. The main components are made of special stainless steel, with good wear resistant and rust proof performance4. The product is widely used in the measurement of various types of machining, helps a lot5. Made with advanced technology and excellent craftsmanship to bring surface, which will not hurt your hands in workSpecification:Item Type: Electronic Digital Vernier CaliperSpecification: Approx. 0 ~ 150mm / 0 ~ 5.9inReading Value: 0.01mmMaterial: Stainless steelBattery Specification: 1 x 1.5v button battery(not include)Probe Specifications: Ceramic Round Probe: Diameter: Approx. 3mm / 0.1inSize: Approx. 8.3mm / 0.3inCeramic Round Rod(LxD): Approx. 10 x 2.0mm / 0.4 x 0.1inBall Probe(LxD): Approx. 20 x 5.0mm / 0.8 x 0.2inAlloy Tip Probe: Length: Approx. 17.5mm / 0.7inSize: Approx. 2.0mm / 0.1in Package List:1 x Caliper1 x Screwdriver1 x User Manual1 Pair of Ceramic Round Probe1 Pair of Ceramic Round Rod1 Pair of Ball Probe1 Pair of Alloy Tip Probe1 Pair of Extension Pole1 x Storage BoxNote:The product is a accuracy measuring tool, please do not drop it