Universal Fit for Boat Trailer Bunks & Crossmembers:Designed as versatile boat trailer bunk brackets and trailer bunk board mounts, this kit works with most boat trailer bunks and trailer crossmembers. The 3.1" extended 1/2" diameter U-bolts fit 1.5"×3", 2"×3", and 3"×3" crossmembers. The main swivel top brackets measure 3.5"×1.35"×2", while the 8"×2.5" slotted vertical bunk brackets allow flexible height adjustment for various installation needs
Heavy Duty Steel & Corrosion Resistant for Salt & Freshwater:Constructed from high-strength steel with black powder-coated galvanized finish, these heavy duty bunk brackets resist rust, bending, and weather damage in harsh marine environments. As reliable galvanized trailer hardware and boat trailer parts, they offer long-lasting support for safe transportation
Adjustable Swivel Top for Perfect Hull Support: The swivel top design acts as swivel bunk brackets and adjustable flat bunk brackets, allowing angle adjustment to fit your boat's hull. With slotted mounting holes, these vertical bunk brackets provide flexible height positioning to evenly distribute weight and protect your hull during travel
Perfect for Bunk Boards & Versatile Mounting: Designed as bunk board brackets, trailer bunk board mounts, and boat trailer bunk angle brackets, they work with boat trailer bunk boards, trailer bunk boards, and boat trailer bunks. These trailer support brackets ensure a stable boat support bunk and bracket assembly
Package Includes: Heavy‑duty 1/2" diameter U‑bolts, 4 swivel top brackets, 4 slotted bunk brackets, 12×3/8" bolts, and 4×1/2" bolts. All necessary marine trailer hardware is included for quick, hassle‑free installation with no extra parts required