Panther - Black Nylon Gripper Rope Cleat - 3" - (2 Per Pack) - 558100. A no tie, no knot, rope cleat that will secure any rope or line, up to 3/8" diameter with no knots, is just what is needed for a variety of purposes ranging from boats and docks to trucks and trailers. You can use the Rope Cleat to secure just about any object up to 200 lbs with no knots. Engineered for years of trouble free use.. Material-Nylon, Color-Black, Length-3"