SPI Dial Caliper Specifications include... Maximum Measuring: 150mm Range Per Revolution: 10mm Graduation: 0.1mm Face Color: White Jaw Length External: 1.57" Standard Material: Super Polymid Features include... Tough as steel, Super Polymid, 60% fiberglass, corrosion resistant Handy and light 4-way measuring: inside, outside, depth and step Shockproof measuring mechanism Glare-free crystal Adjustable, easy-reading dial Furnished in protective case
