Rigid Shaft Coupling, 1 Piece Set Screw, Inch, Bore Dia. 1 1/8 in, Steel, Finish Black Oxide, Outside Dia. 2 1/8 in, Overall Length 3 in, With Keyway, Clearance Dia. 2.125 in, Screw Size 3/8 In. -16, Keyway Width 1/4 in. This item has been restricted from sale in the following state (s): []