Extreme Max 3005.2199 4-Feet Bunk Trailer Guide-On, Pair
Long days on the water shouldn’t be followed by an ordeal when it’s time to load your boat. Trailer guide-ons do more than help you get your boat on your trailer: they prevent a multitude of loading problems.  Guide-ons keep you from loading too deep, keep your trailer position true, and are especially helpful at night.  They'll help you load faster and safer, especially at crowded launches and might even save your relationship. (JK. That last part's kinda up to you.) Adjustable, carpet-padded bunks work on bunk or roller-style trailers.  Designed for marine use with corrosion resistant construction and hardware