Torque Limiter, Number of Teeth None, Bore Diameter 1.25 in, Maximum Torque Rating One Spring 120 lb-ft, Minimum Torque Rating One Spring 50 lb-ft, Maximum Torque Rating Two Springs 190 lb-ft, Minimum Torque Rating Two Springs 60 lb-ft, Bore Type Finished, Outside Diameter 3.5 in, Overall Width 2.187 in, Weight 2 lb