This compact digital gem gauge measures from 0-25mm (to two decimals) and 0-1 inch (to three decimals).
Features:
Cable port to download into printer.
Flashing numbers when battery is low.
Measures inside, outside and depth.
Zero at any setting.
Made of stainless steel with high impact nylon housing.
Comes in protective case.
Maximum opening 1 inch (25mm).