10' Galvanized Swivel Top Bunk Bracket Kit with Hardware for Boat Trailer, fits 3x3 Cross Members, Heavy Duty

4-pack of 10' swivel bracket kits for 3x3 cross members, ready for installation on your boat trailer. These brackets are constructed from heavy-duty, durable galvanized steel. The adjustable design enables you to align the angle to contour to your boat's hull, whether angled or flat. Zinc coated to resist rust, suitable for marine trailers and motor boats in saltwater, freshwater, and coastal conditions, as well as for utility/land trailers in icy conditions. This swivel top-style bunk bracket is a standard 10' tall and features slotted holes for multiple mounting points, making this kit fully adjustable to suit your trailer's requirements. Kit contains: (4) swivel brackets, (4) bolster brackets, (4) square U-bolts, (8) hex nuts, (16) flat washers, (8) lock washers, (8) flat washers, (8) screws, (4) bolts, (4) hex nuts