*KeyFeatures *Flexible Height Width: The width of this boat guide-on can be easily adjusted, extending to 3 inches. The height extends to 16" at most. It perfectly fits bunk or roller-style trailer frames up to 3" wide x 4.25" tall. *Install in Minutes: Our trailer guide-on can be quickly mounted onto your trailer frames with the complete accessories provided. Add the frames effortlessly and keep your boat protected. *Solid Construction: These brackets are built to last. They are made of heavy-duty steel and are powder-coated, so they work great against saltwater and do not easily bend or rust. *With Carpet-padded Boards: The two 48" boards covered with high-grade carpet can be fixed firmly onto the brackets, and they will prevent the boat from being scratched. *Widespread Application: These trailer boat guides are suitable for ski boats, fishing boats, or sailboat trailers, and they make loading the boat so much easier. ******************************************************************************************************* *Specifications Model: 48 in Trailer Guide on Bracket Material: Steel Finish: Powder-coated Bracket Size: 8.66" x 1.97" x 15.75" Bracket Thickness: 0.31" / 8 mm Length of Board: 48" / 1219 mm Weight: 55 lbs / 25 kg ******************************************************************************************************* *Pakcage Content 4 x Steel Brackets 2 x Carpet-padded Boards 1 x Set of Mounting Accessories