This Sea-Dog clam cleat is designed so that the rope drops down into its teeth which give a quick and positive lock that releases easily. The cleat is manufactured from UV-resistant plastic, making it cost-effective and ideal for holding rope in an outdoor environment. The side fixing gives a short length, so it's ideal on a narrow surface. Great for holding anchor lines on small fishing rafts and ropes in window frames. For 5/32" - 5/16" rope. Uses #10 FH fasteners. 1-1/2"L x 1-11/16"W. 1-1/8" in between mounting holes.