Quick Detachable Bushing, Bushing Type Quick Detachable, Bore Bushing Series SDS, Bore Diameter 1/2 in, Length 1.313 in, Bolt Circle Diameter 2.69 in, Bolt Size 1/4 In.-20 x 1-3/8 in, System of Measurement Inch, Bushing Diameter 2.188 in, Flange Type Split, Flange Width 7/16 in, For Shaft Type Keyed, Includes (3) Cap Screws, Keyway Height 1/16 in, Keyway Width 1/8 in, Length Less Flange 0.875 in, Material Steel, Overall Diameter 3.188 in, SAE Grade 5, Taper 3/4 in Per ft