Rigid Shaft Coupling, 1 Piece Clamp, Inch, Bore Dia. 1 1/4 in, Stainless Steel, Finish Plain, Outside Dia. 2 5/16 in, Overall Length 2 5/16 in, Without Keyway, Clearance Dia. 2.313 in, Screw Size 1/4 In. -28, Max. Torque 1, 660 in-lb, Max. RPM 4, 000 RPM. This item has been restricted from sale in the following state (s): []