4 pack of 8" L-Type Bracket Kit for 3x3 cross member, ready to be installed onto your boat trailer! Brackets made from heavy duty 1/4" thick durable galvanized steel, 1/2" thick U-bolts Zinc coated to prevent rusting and suitable for marine trailers and motor boats in saltwater, fresh water, coastal conditions and utility/land trailers in icy conditions Multiple mounting holes making this kit fully adjustable to meet your trailers needs Kit includes: (4) 8" L type brackeets, (4) square U-bolts, (8) hex nuts, (8) flat washers, (8) lock washers 8" Galvanized L-Type Bunk Bracket Kit for Boat Trailer, fits 3x3 Cross Members, Heavy Duty