Features: Range: 0-12" Accuracy: 0.002" Graduation: 0.001" Available in Metric and Inch models Available in 1mm / .100? and 2mm / .200? per revolutions Carbide-tipped outer dimension jaws are available Lock screw holds the dial measurement and sliding jaw position to obtain accurate measurement Supplied in a fitted plastic case The Mitutoyo 0-12" .100/REV Sliding Jaw Dial Caliper is designed for smoother operation, better durability and readability while providing the same highly accurate four-way measurements to +/-0.03mm/.001?. The dial design of the Mitutoyo caliper provides ultra-smooth sliding with better shock protection while measuring outside dimensions, insider dimensions, depth and steps. A Titanium Nitride (TiN) coating on the sliding surface increases wear resistance and the improved dial face offers faster measurement readabilty