... 812409510001402.Cross journal(Universal joint) size which decides torque of a PTO Shaft: Cross journal sizeRef.A mmB mmSeries ... Ratchet torque limiter(SA), Shear bolt torque limiter(SB), 3types of friction torque limiter (FF,FFS,FCS) and overrunning couplers(adapters) ( ... other more special requirements with plastic guard, connection method, color of painting, package, etc., please feel free to let me ...