INSIZE Digital Caliper with Ceramic Tipped Jaws Ceramic tipped jaws for outside measurement, are extremely wear-resistant, non-magnetic, and non-conductive. Features include... 0-6" / 0-150mm Measuring Range 0.0005" / 0.01mm Resolution Accuracy: +0.0012" Buttons: mm/in, on/off, zero Battery CR2032, with one spare battery, automatic power off Data output Hardened stainless steel construction Packed in plastic box Includes Inspection Certificate traceable to NIST