Clamcleat rope cleats . The principle of the converging tapered grooves ensures grip without wear. Simply lay the rope which will automatically cleat under load. To release just jerk upwards. The nylon models remain best value for where high loads or rope surge are not encountered. For ropes 3/16" to 5/16". Length 2-7/8". Hole spacing 2-1/8". Width 3/4".