VEVOR Boat Trailer Guides, 16.7 in/18.7 in 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

VEVOR Boat Trailer Guides, 16.7 in/18.7 in Height Adjustable Trailers Guide, 2PCS Thickened Steel Trailer Guide-Ons with Thick Support Pads, Fits L-Beam, Box or C-Channel Bunk-Style Pontoon TrailersHigh-Strength M10 BoltsWon't Scratch Your BoatComplete Installation Kit IncludedGentle on Your BoatHeavy-Duty Steel BuildSurface Galvanized CoatingItem Model Number: XC2179,Width Adjustment: 0–7.1 in / 0–180 mm,Product Dimensions: 60.6 x 22.6 x 18.7 in / 1540 x 575 x 475 mm,Net Weight: 39.9 lbs / 18.1 kg