Rotolinear Systems offer Metal Bellow Couplings, safety couplings. Metal bellow couplings are available up to torque of 5000 Nm and miniature models up to 10 Nm. Different models like with collet clamping, conical hub, outer conical hub, flange mounting, set screws, expanding clamps, etc., are available. Safety couplings (torque limiters) are available up to torque range of 1600 Nm. Four models are available in safety couplings: first is for mounting tooth belt pulleys, sprocket wheels, spur gears; the second model bellow type with conical hub; third bellows type with collet clamp; and fourth with servo insert type collet clamp. Single position engagement, multiposition engagement and full disengagement options are available.