• Adjustable Width: The width of these trailer guides can be easily adjusted, extending to 11 inches at most. They are compatible with trailer frames less than 3" wide and 4-1/4" tall.
• Flexible Installation: Our 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.
• Solid Construction: The brackets are made of 0.12" thick steel and are powder-coated, so they work great against saltwater and do not easily bend or rust.
• With Rubber Rollers: The two 13" rubber rollers can be fixed firmly onto the brackets, and they will prevent the boat from being scratched. Add the frames effortlessly and keep your boat protected.
• 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.

VEVOR Boat Trailer Guide-ons 15.6", 2PCS Trailer Guides with Rubber Rollers, Galvanized Steel Trailer Guide ons, w/ Complete Mounting Accessories, for Ski Boat, Fishing Boat or Sailboat Trailer
20.5" Trailer Guide-ons
Adjustable Width
Easy to Mount
Heavy-duty Material
Roller Guide-on System
Wide Application
Material of Brackets: Steel,Model: 20.5" TRAILER GUIDES,Roller Size: 2" x 2" x 13",Finish: Powder-coated,Size of Brackets: 16.5" x 1.5" x 19.3",Thickness of Brackets: 0.12" / 3 mm,Weight: 18.3 lbs / 8.3 kg