1Cam Cleat: Progressive cam tooth design ensures maximum retention on all types of pipelines while minimizing wear on cams and pipelines. 2Quick Release and Fast Entry: Ball bearing cam cleats hold lines securely and release instantly. With flared entry leading ring for easy line engagement. 3Premium Material: The main body of the marine cam cleat is made of aluminum and the gasket is made of nylon. Light weight and excellent wear resistance. 4Overall Size: Width 2.5in/64mm. Height 1.1in/28mm. Center to center hole distance 1.5in/38mm. Suitable for 0.12?0.47in/3-12mm rope diameter. 5Heavy Duty Boat Hardware: Maximum working load is 66lbs. Breaking load is 1984lbs. Suitable for sailboats, kayaks, canoes, dinghies.