*KeyFeatures *Adjustable Width: The width of these trailer guides can be easily adjusted, extending to 15 inches at most. They are compatible with trailer frames less than 3" wide and 4-1/4" tall. *Flexible Installation: Our boat trailer guide-ons can be mounted on top of the trailer frame or below it, and the U-bolts fit both large frames and smaller frames. *Solid Construction: The brackets are made of sturdy steel and are powder-coated, so they work great against saltwater and do not easily bend or rust. *With Carpet Boards: The two boards covered with marine carpet can be fixed firmly onto the brackets, and they will prevent the boat from being scratched. *Wide Application: These boat trailer guides are suitable for ski boats, fishing boats, or sailboat trailers, and they make loading the boat so much easier. ******************************************************************************************************* *Specifications Model: Bunk Guide-ons Condition: 100% Brand New Material: High Quality Metal Finish: Powder-coated Type: Boat Trailer Guides Color: Silver & Black Pole Sit Angle: 75 Degree Pole Height: 21" Installation: Easy bolt-on Tube Size: 21.65" x 21.65" x 1.5" Tube Thickness: 0.12" / 3 mm Size of Boards: 2" x 4" x 20" Weight: 22.93 lbs / 10.4 kg ******************************************************************************************************* *Pakcage Content 2 x Steel Brackets 2 x Carpet-padded Boards 1 x Set of Mounting Accessories