12" Digital Caliper Micrometer comes with a stainless steel body, stepped end depth rod for measuring small holes up to 8 deep, a fitted case, and of course an easy-to-read LCD display. It measures in both inches (SAE standard) and in metric (MM). It operates on 1.5 volt battery. liAccurate to 0.001 liResolution: 0.0005 liFluid-resistant stainless steel precision ground jaws liJaw depth: 13/16 (inside), 1-15/16 (outside) liOn/off switch with automatic shutoff SKU: 7122D