Digital Outside Micrometer Range 19.680 in to 20.660 in 500 to 525 mm Resolution 0.0001 in/0.001 mm IP Rating IP67 SPC Output Yes Thimble Type Friction Anvil Material Carbide Includes Output Capability for Data Transmission Lock Nut Type Lever Maximum Measurement - Inch 20.660 in Maximum Measurement - mm 525 mm Minimum Measurement - Inch 19.680 in Minimum Measurement - mm 500 mm Spindle Material Carbide