Yuleimy 8 Inch Boat Trailer Bunk Brackets 4-Pack, Heavy Duty Galvanized Swivel Top Bracket Kit with Hardware, Fits 1.5"x3", 2"x3" & 3"x3" Crossmembers, Anti-Rust Silver

ADJUSTABLE SWIVEL TOP DESIGN: Achieve the perfect fit for your boat's hull. These 8-inch bunk brackets feature an adjustable swivel top support pad that easily pivots to perfectly match the exact contour of your boat, whether you require an angled or flat resting position. | HEAVY DUTY GALVANIZED STEEL: Built to survive the harshest marine environments. Constructed from heavy-gauge solid metal with a premium hot-dip galvanized finish, these brackets fiercely resist rust, saltwater corrosion, and UV damage, ensuring they won't bend or warp under heavy loads. | UNIVERSAL CROSSMEMBER FIT: Maximum versatility for your trailer. Designed with extended 3.1" threads, our included heavy-duty U-bolts universally accommodate various boat trailer crossbars, seamlessly fitting 1.5" x 3", 2" x 3", and 3" x 3" configurations without hassle. | ANTI-ROTATION SECURE MOUNT: Stop worrying about slipping parts. The swivel top bracket utilizes a specialized concave surface design that completely prevents unwanted rotation. Once bolted to your crossmember, your bunk boards remain rock-solid and securely aligned. | COMPLETE 4-PACK INSTALLATION KIT: Everything you need to hit the water faster. This value bundle includes 4 slotted swivel top brackets, galvanized bed bracket bolts, 1/2" diameter mounting U-bolts, lag screws, washers, and nuts. Enjoy a straightforward, tool-friendly installation.