Digital Outside Micrometer Range 19 in to 20 in 482 to 508 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 20 in Maximum Measurement - mm 508 mm Minimum Measurement - Inch 19 in Minimum Measurement - mm 482 mm Spindle Material Carbide