CE Smith Short Bunk-Style Carpeted Boat Trailer Guide-Ons CE Smith Short Bunk-Style Trailer Guide-Ons make loading and unloading your boat easy. These carpeted trailer guide-ons provide proper center loading even in windy or side current conditions. Bunk boards are constructed of durable untreated Southern yellow pine and are covered in high-grade marine carpet. Features Durable carpeted bunk boards Boards tilt to hug the hull Can be mounted on top of frame for extra height Comes complete with m