Motion Control Coupling, Shaft Locking Type – Couplings 1 Piece Clamp, Bore Dia. 14mm x 10mm, Rated Torque 250 in-lb, Max. RPM 10,000 RPM, Outside Dia. 41.3 mm, Overall Length 50.8 mm, Material – Couplings Aluminum, Length through Bore 25.4 mm, Screw Type Cap Screw, Screw Size M4, Max. Temp. 200 Degrees F, Finish Black Anodized, Size MBC41