The Kramp 5520403 Star Slip Coupling is a robust and essential component designed for agricultural power take-off (PTO) shafts. This slip clutch provides crucial overload protection, preventing damage to machinery by allowing slippage when torque exceeds a preset limit. It features a 6-spline 1 3/8 inch connection on both sides, ensuring compatibility with standard agricultural equipment. Constructed for durability and reliable performance in demanding farm environments, this genuine Kramp part maintains optimal power transmission while safeguarding valuable equipment.