Quick Detachable Bushing, Bushing Type Quick Detachable, Bore Bushing Series SDS, Bore Diameter 42 mm, Length 1.313 in, Bolt Circle Diameter 2.69 in, Bolt Size 1/4 In.-20 x 1-3/8 in, System of Measurement Metric, Bushing Diameter 2.188 in, Flange Type Split, Flange Width 7/16 in, For Shaft Type Keyed, Includes (3) Cap Screws, Keyway Height 3.5 mm, Keyway Width 12 mm, Length Less Flange 0.875 in, Material Steel, Overall Diameter 3.188 in, SAE Grade 5, Taper 3/4 in Per ft This product contains a chemical that is regulated under California Proposition 65. Warning: This product contains a chemical known to the State of California to cause cancer. Warning: This product contains a chemical known to the State of California to cause birth defects or other reproductive harm. -