A.A Square U Bolt with Hardware for Boat Trailer, Galvanized Steel, 1/2" Diameter x 3-1/16" x 4-5/16" for 3x3 Beam (4 Pack)

4 pack of Square U-Bolt: 1/2 x 3-1/16 x 4-5/16 inch and hardware for 3x3 cross member | U-Bolts made from heavy-duty, durable galvanized steel | Zinc coated to prevent rusting and suitable for marine trailers and motor boats in saltwater, freshwater, coastal conditions, and utility/land trailers in icy conditions | Includes: (4) square u-bolts, (8) hex nuts, (8) flat washers, (8) lock washers