FUNCTION: This swivel top bunk bracket kit is designed to mount to the boat trailer transom and secure your bunk board to the swivel top. The adjustable swivel top support pads allow you to adjust the angle to fit the contour of your boat; whether it is angled or flat.
Versatile: 3.1" extended thread design, suitable for 3"x3", 2"x3" and 1.5"x3" trailer crossbars. The L-type boat trailer bunk bracket kit contains U-bolts, the U-bolts are 1/2" in diameter, 3" in width and 4.5" in length. The U-bolts are designed with 3.1" extended thread, suitable for various sizes of boat trailer crossbars.
EASY TO INSTALL: This galvanized square U-bolt easily attaches to boats and trailers. Installation The boat trailer bed frame bracket is mounted to the cross member in front and behind the axle or mounted to the C-channel cross member, the galvanized U-bolt wraps around the bracket, and the washers and nuts secure the bracket in place. The slotted holes on the bed frame bracket can be used to adjust the height.
Prevent Rotation, Anti-Rust: The swivel top double-layer bracket kit with hardware adopts a concave surface to prevent rotation, and is also made of heavy metal material with a galvanized surface, which is rust-proof and anti-corrosion, and is not easy to bend or deform.
Includes: swivel top bracket, slotted bed bracket, galvanized bed bracket bolts, galvanized mounting U-bolts for brackets, and galvanized lag screws to secure the boat trailer bed sheet.