Description: Electronic Digital Caliper offers instant and accurate readings of inside, outside, step, and depth measurements with accuracy of 0.001 ". SAE / Metric conversion switch automatically converts measurements to inches or millimeters with the simple press of a button. Adjustable thumbscrew provides tension for optimal movement of the slide and locks the jaws of the caliper in place. Features: SAE / Metric conversion switch Zero calibration switch Automatic On / Off Easy-to-read LCD display Durable stainless steel construction Specifications: Range: 0.01mm to 150mm / 0.001 "to 6" Package Includes: 1 x caliper (no battery) 1 x Miniature Screwdriver 1 x caliper box 1 x Instruction manual Note: Battery (1.5V LR44 battery) is not included.