The Laser Harken Cammetrick cleat is similar to the Laser Cleat 91517, but this one is made of plastic. Harken Micro Cam Cleats hold lines securely and release instantly for easy, precise trimming. Lightweight fiber-reinforced Carbo-Cams for racing where weight is critical, or where adjustments are less frequent.Mounts using 2 x 8 x 1-1/4 stainless steel round head machine screws (sold separately).SpecificationsPawl material: PlasticMaximum line: 1/4″ (6 mm)Fastener spacing: 1 1/16″ (27 mm)Fastener: 4 mmMaximum working load: 68 kg (150 lb)Breaking load: 136 kg (300 lb)Length: 48 mmWidth: 24 mmHeight: 22 mmWeight: 19 g