Digital Outside Micrometer Range 16.730 in to 17.710 in 425 to 450 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 17.710 in Maximum Measurement - mm 450 mm Minimum Measurement - Inch 16.730 in Minimum Measurement - mm 425 mm Spindle Material Carbide