Digital Caliper, 150mm (6"). Features: Manufactured from Hardened Stainless Steel , Fine Adjustment Roller For Precise Measurements, LED Display Provides Precision Readings from 0.1mm to 0.0005, four Way Measurements for External, Internal, Depth and Step Modes. 150mm/6 Digital calipers are manufactured from Stainless Steel . Calipers have an easy-to-read large LED display. The mm/inch selection button allows you to measure and convert from inch to metric quickly and easily. Features include a fine adjustment roller, a positive locking screw and a strong plastic storage case for easy transport. Supplied complete with 1.5v battery.