New Brand: Vevor Model: 24 in Boat Guide on Tube Material: Galvanized Steel Finish: Powder-coated Tube Size: 11.8" x 11.8" x 11.8" Tube Thickness: 0.12" / 3 mm Length of Board: 24" / 60.9 cm Weight: 22.93 LBS / 10.4 KG Package Content 2 x Steel Brackets 2 x Carpet-padded Boards 1 x Set of Mounting Accessories The width of these boat guide-ons can be easily adjusted, extending to 8 inches at most. They are compatible with trailer frames less than 3" wide and 4-1/4" tall. The trailer guide-ons can be mounted on top of the frame or below it, and the U-bolts fit both large frames and smaller frames. It’s suitable for ski boats, fishing boats, or sailboat trailers, and they make loading the boat so much easier.