The Harken¨ ball bearing cam cleats are designed to securely hold and instantly release lines, providing easy and precise trimming. These cam cleats are hardcoat-anodized aluminum and are suitable for continuous adjustment applications with high loads and wear. Part No. 280 can accommodate lines with a minimum diameter of 6 mm and a maximum diameter of 16 mm, or 1/4 inch and 5/8 inch, respectively. They have a maximum working load of 227 kg or 500 lbs.