150mm 6" Inch Stainless Steel Digital Vernier Caliper Measuring Gauge Tool Electronic LCD Display LCD Digital Electronic Caliper Vernier Gauge Micrometer Tool. Made of hardened stainless steel. Internal, external and height dimensions can be easily and accurately measured. Linear capacitive measuring system. Base measuring function: Inside, outside, depth and step measuring. Zero setting in any position. With a small locking thumb screw which locks the jaws in place. With easy to read large LCD display. Handy conversion chart at the back. An ideal tool for a broad range of industrial and automotive applications. Measuring range: 0-150mm  Accuracy: + 0.02 mm/ 0.001 in. (100 C 150 mm). Resolution: 0.01mm/ 0.0005 in. Repeatability: 0.01mm/ 0.0005 in. Maximum measurement speed: 1m/s Power: 1 x 1.5V SR44 (silver oxide cell) battery. Battery life: 1 year for continuous usage / 3 years under normal operation. Size: 250 x 50 x 6mm.