Harken Micro Carbo-Cam Cleat Part No. 471 is ideal for racing or frequent line adjustments, thanks to its lightweight fiber-reinforced Carbo-Cams. It can safely hold lines up to 6 mm (1/4 in) in diameter and has a maximum working load of 68 kg (150 lb). With a minimum line diameter of 3 mm (1/8 in), this cleat is suitable for precise trimming and easy release. Trust in the secure hold and instant release of Harken ball bearing cam cleats.