Rigid Shaft Coupling, 1 Piece Set Screw, Inch, Bore Dia. 1 1/4 in, Stainless Steel, Finish Plain, Outside Dia. 2 1/4 in, Overall Length 4 in, With Keyway, Clearance Dia. 2.25 in, Screw Size 3/8 In. -16, Keyway Width 1/4 in, Max. Torque 750 in-lb, Max. RPM 1, 800 RPM. This item has been restricted from sale in the following state (s): []