Zinc-coated for freshwater corrosion-resistance, not intended for use in saltwater or brackish water;Boat guides and rollers deliver excellent performance and long-lasting use;Our guides and rollers reduce friction and increase stability, providing a better overall trailering experience
Boat trailer provides assistance to let your boat easier into and out of the trailer. You can easy to know the proper launching depth for safe loading and unloading
Pecision metal stampings, fabrications and assemblies，Includes one pair of Heavy-Duty Roller Guide-Ons with an easy, bolt-on installation that fits bunk or roller-style trailer frames up to 3" wide x4-1/4 "; 5" tall x4-1/4
Boat railer guide ons have been widely use to protect boat well. They are wonderful tool for sailboat trailers,ski boat trailers, fishing boat trailers, or Marine boat trailer and so on, making loading easier