VEVOR Boat Trailer Guides, 425 mm/475 mm Height Adjustable Trailers Guide, 2PCS Thickened Steel Trailer Guide-Ons with Thick Support Pads, Fits L-Beam, Box or C-Channel Bunk-Style Pontoon Trailers

Non-Slip Pad Boat Trailer Guides: Extra-wide, thick support pads offer greater hull contact for easier alignment during loading. The soft, non-slip fabric surface protects your boat’s finish and avoids scratches,Adjustable Width: Guide rails with up to 7.1 in (180 mm) of individual max width adjustment for a secure, custom fit—ideal for bunk-style pontoon trailers with box, C-channel, or L-shaped frame beams,Heavy-Duty Steel Construction: Built with thick, reinforced steel for superior strength and durability to bending or breakage—even under boat impact during transport,Galvanized Coating: The heavy-duty steel bracket features a galvanized coating, designed for use in freshwater environments and built specifically for boat loading. The top cap helps keep rainwater from entering,2 Mounting Options: Fits trailer frames up to 3 in (7.6 cm) wide and 4-1/4 in (10.8 cm) tall. Choose between two secure installation methods to match large or small trailer beams. Includes high-strength M10 U-bolts that stay tight and won’t loosen or snap over time