Digital Outside Micrometer Range 17 in to 18 in 432 to 457 mm Resolution 0.0001 in/0.001 mm IP Rating Not Rated SPC Output Yes Thimble Type Friction Anvil Material Carbide Includes Case Data Transmission LCD Digital Display Lock Nut Type Lever Maximum Measurement - Inch 18 in Maximum Measurement - mm 457 mm Minimum Measurement - Inch 17 in Minimum Measurement - mm 432 mm Spindle Material Carbide