The Sealect Designs 3.5 inch Zig-Zag Cleat Kit contains the cleat and mounting hardware to install it. The cleat is made of Injection molded nylon. Simply weave rope around cleat arms, no knots needed. Great for fender lines, trailer covers and utility covers and utility lines. Fits line up to 3/8". Kit contains: Zig-Zag cleat (1); 10-32 X 3/4" OH (2); 10-32 Nyloc nut (2); #10 Fender washer (2).