Rexnord® Tollok™ locking assemblies offer a wide variety request information of configurations. In addition standard locking assemblies, Rexnord® also offers shrink discs, a style that clamps the equipment by using compressive force over diameter of the equipment to the shaft. With over 40 years of innovation, know-how and operational excellence, we have the right configuration for your application. Tollok™ External Locking Assembly, Self-Centering Shrink Disc, Series: TLK603, 30 mm Bore Dia, 60 mm Outside Dia, 24 mm Hub Dia, 300 N-m Transmissible Torque