Product Description: New shear bolt clutch, type 8. 1-3/4" 20 Spline clutch Clamp Style, rated at 30,900 in/lbs.Replacement shear bolt is type M10 CI. 8.8L and 60mm long. Replaces Comer No. 143280004. Fits ComerB05; Bondioli & Pavesi size 8. Replacement shear bolt is type M10 x 60 x 8.8