Accepts fender lines up to 5/8" in diameter Hangs from lifelines or railing Quickly and easily adjust your fender to the ideal height Features UV resistant vinyl and stainless steel hardware Description Norestar Fender Adjusters/Holders make boat bumper height adjustments quick and easy. The adjuster accepts lines of up to 5/8". The adjuster hangs on lifelines or railings; changing the bumper height is simply a matter of pulling or letting line through the holder. Made from UV resistant vinyl and stainless steel hardware, these fender adjusters are built to last. They come in white.