✅ Single-Side Installation Dimensions：27.6x20.1x20.1 inch/700x510x510 mm
✅ Adjustable Width (13 Inches): 27.6 inches height after guide rail installation; 13inch/330mm adjustable width per side—enables quick, unobstructed loading of small boats (fishing boats, dinghies, inflatable boats, canoes) for secure positioning
✅ Two Installation Methods: U-bolts fit trailer beams up to 3 inches wide;suitable for small fishing boat trailers.Upgraded M8 thickened high-tensile steel ensures firm attachment, no wobbling/deformation
✅ Rust Protection: Thick, non-peeling coating on all metal surfaces;corrosion-resistant, all-weather durable (withstands sunlight, rain, seawater contact);suitable for long-term outdoor coastal use
✅ All-Steel Construction: Heavy-duty steel brackets (upgraded for outdoor boat loading);thickened inner walls resist boat impacts, no easy deformation/bending—ensures long durability
✅ Boat Protection & Security: 1.8-inch thick cushioned padding protects boat surface;avoids metal-boat contact (prevents scratches), cushions impacts, and stops lateral rocking during transportation
