Home Towing & Transportation Trailering Towing & Hitching Square Zinc Plated U-Bolt Kit (1/2”-13 x 3-1/8” x 3” x 1-1/2”) Tie Down Square Zinc Plated U-Bolt Kit (1/2”-13 x 3-1/8” x 3” x 1-1/2”) $11.49 Square Zinc Plated U-Bolt Kit (1/2”-13 x 3-1/8” x 3” x 1-1/2”) quantity Add to cart