We strive to provide new innovative products to meet the need of the rapidly changing world we live in. Our goal is to provide products made with the finest material and consistent and high quality processes. Features Providing an easy visual while centering your boat The angled PVC Post Guide-Ons allow you to easily center your boat on your trailer at the ramp Fits trailer frames 3-1/4" wide by 4" tall Mounts above or below the trailer frame Adjusts up to 13" away from the trailer frame Angled to allow for wide or flared hulls For larger frames use with P/N 11416 mounting U-bolts Specifications Size: 40 in. Color: White