Upgrade your trailer with these Boat Trailer Guide-Ons, designed to make loading and unloading your boat faster, safer, and easier. Each guide-on is built from electro-galvanized steel, offering superior strength and long-lasting protection against rust and corrosion, even in harsh marine environments. The Thickened heavy-duty PVC guide posts provide high visibility, helping you align and center your boat with precision. With an adjustable height of 40"–48", these trailer guide-ons easily fit a wide range of boats and trailers, including fishing boats, ski boats, pontoon boats, and sailboat trailers. Installation is simple thanks to the included mounting hardware kit, allowing you to set up quickly without extra tools. By keeping your boat straight on the trailer, these boat trailer guides not only save time but also reduce the risk of scratches, dents, and other damage during loading and unloading. Perfect for anyone looking to improve their boat trailer accessories, these guide-ons combine durability, visibility, and safety—giving you peace of mind every time you launch or retrieve your boat.