This listing is for a Lighthouse Stainless Steel Digital Coin Sizing Gauge. This gauge features a sliding caliper with a 6-digit LCD display. It has a measuring range of up to 6" (150 mm) which is switchable from inches to millimeters, has measuring units of .01 mm, an accuracy of .03 mm, and a zero reset button for differential measurement. It comes complete with batteries and ready to use. This item is new from our inventory.