Shear Bolt Clutch New 2300 Series Shear Bolt Clutch for Bondioli & Pavesi size 4. 1-3/8" 6 Spline with Quick Disconnect. Clutch rated at 15,000 in/lbs.    Series Or Size: 2300 1 3/8" 6 spline QD    Size: 1 3/8" - 6 SB 15000 in/lb Bondioli & Pavesi Sb Size 4
