Clutch: Shear Pin Type Tractor Side Connection: 1 3/8" 6 Spline MPN: R10122 Implement Side Connection: 1 3/8" Round Bore PTO shaft ... automobile , agricultural machine , heavy vechiles,and so oncompetitive pricegood qualityFeatures: 1:material:steel 45#, casting, forging or as per customers' requires ... . 2:We can provide series 1, 2, 3, 4, 5, 6, 7, 8, 9, also as ...