Item Digital Height Gauge Counter Type Electronic Digital Mechanism Coarse and Fine Adjustment Construction Steel Display LCD Resolution 0.0005 in/0.01 mm 0.0002 in/0.005 mm Range 0 in to 18 in/0 to 450 mm Accuracy +/-0.002 in Base Cast Iron Screw Clamp Lever Locks Scriber At Any Position Battery SR44 Features Switchable Resolution (0.0002 In./0.005mm or 0.0005 In./0.01mm) Includes Carbide Tipped Scriber