Feature: 1. Strong Load Bearing Capacity: These heavy duty bolt on forged D rings have a breaking strength of 12125lbs, ensuring reliable and stable cargo tie down for trailer and truck applications. 2. Premium Material: Crafted with forging process and reliable steel, zinc materials, this ring is rust resistant and guarantees long lasting use without deformation. 3. Easy Installation: Featuring 1/2in standard size and bolt on design, this ring is easy to install, simple to operate, and improves work efficiency, allowing you to quickly secure cargo loads. 4. High Safety: High breaking strength and superior load capacity ensure that heavy loads on trailers are securely tied down, providing peace of mind during transportation. 5. Versatile Application: These D rings are ideal for use in trailer, truck cargo tie downs applications, offering reliable and strong connection points, bringing you a wide range of uses. Specification: Item Type: Forged D Ring Material: 45 steel + zinc Size: 1/2 Inch Break Strength: 5.5T / 12125lbs Surface Treatment: Electroplated and Powder Coated Application: For Trailer Truck Cargo Tie Downs . Package List: 4 x D Ring 8 x Fixing Plate 8 x G5 Nut 8 x G5 Carriage Bolt