4PCS / 8PCS Boat Trailer Steel U-Bolt Square 1/2″ Dia x 3 1/16″ x 4 5/16″
4 pcs Trailer U-Bolt and hardware (as the pics show)or 8 pcs Trailer U-Bolt and hardware (as the pics show). Material: Steel. Zinc-Plated to prevent corrosion. Surface Finish:Zinc-Plated. Crash Bar&Racks.