Tall PVC Boat Trailer Guides: Extra-tall PVC boat trailer guides enhance visibility for easier boat alignment during loading and let drivers monitor trailer status in real time. The smooth, rounded PVC poles protect your hull from scratches and scuffs Adjustable Height & Width: Our boat guide poles offer two height options: 30.5 in (775 mm) or 47.5 in (1205 mm), with up to 3.9 in (100 mm) individual max width adjustment. Combined with flexible width settings, it fits a wide range of trailers for ski boats, fishing boats, and sailboats Heavy-Duty Steel Construction: Built with thick, reinforced steel for superior strength and durability to bending or breakage—even under boat impact during transport Galvanized Coating: The heavy-duty steel bracket features a galvanized coating, designed for use in freshwater environments and built specifically for boat loading. The top cap helps keep rainwater from entering 2 Mounting Options: Fits trailer frames up to 3 in (7.6 cm) wide and 4-1/4 in (10.8 cm) tall. Choose between two secure installation methods to match large or small trailer beams. Includes high-strength M10 U-bolts that stay tight and won’t loosen or snap over time