Torque Limiter Number of Teeth None Bore Diameter 1 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