Fowler's Mini Electronic Indicator! This indicator is Coolant, Water & Oil resistant to IP67 specifications! Includes tough carbide contact point! Specifications include... 0-.5" / 12.5mm Measuring Range 0.0005" / 0.01mm Resolution 0.0004" / 0.01mm Accuracy High contrast LCD display Floating zero Preset & Hold features Dual measuring references Dovetail back with lug 1.575" diameter bezel