Pack of 4 Sq U Bolt Zinc-Plated, Steel, 1/2"-13 Thread Size, 4"  W, 6-5/8" H

Square U-Bolt Zinc-Plated, Steel, 1/2"-13 Thread Size, 4" Inside Width, 6-5/8" High | Mount Type - Threaded | Thread Size - 1/2"-13 | Inside Width - 4" | Height - 6 5/8" | Thread Length - 3 3/4" | Capacity - 2,000 lbs. | Material - Zinc-Plated Steel | Center -to-Center - 4 1/2" | Leg Diameter - 1/2" | Includes Mounting Plate - No | Number of Nuts Included - 2 | Nut Style - Hex Nut | Number of Washers Included - 2 | Nut Material - Steel | Washer Material - Steel | Country of Origin - United States