The easy way to adjust the height of your fenders without tying knots in your fender whips.Snap your Taylor Made Tidy-Ups Fender Adjusters over your lifeline or rail and easily adjust the height of your fenders. Tidy-Ups hold fender whips up to 5/8" diameter securely without hard-to-untie knots. Vinyl strap with stainless steel hardware resists corrosion.NOTE: Model 198277 is made to fit over large-diameter wooden rails.