Mizugiwa Nylon Cleat 4" Black 4 Pack Dock Cleat 4" Cleats ( 97mm overall length) Material Type:High Impact Nylon Material Type:High Impact Nylon,One-step forming,The surface is not polished About 7/8" center to center measurement of the holes This Cleat about 4 inch(97mm) length,Please note its size. This is the smallest cleat. We offer other sizes of Cleat, please find in our shop Made using the highest quality components,surface is not polished,These cleats are excellent for boats and docks