Coupling Sleeve Insert, 7JES Body Style, Insert Material EPDM Rubber, Insert Design One-Piece Split, Outside Dia. 4.34 In., Rated Torque 725 in.-lb., Max. RPM 5250, Width 2.19 In., 1.20, 13.80, 20.71, 39.69, -30 Degrees to 275 Degrees F, Motors, Pumps, Compressors, Blowers, Mixers and Conveyors.