General description 6pcs Heavy Duty Tie Down Rings are designed for mounting, fastening, and securing various loads. These versatile rings can be used with ropes, chains, ratchet straps, and S-hooks to secure bikes, landscape equipment, large appliances, machinery, and other items on utility trailers, pickup beds, campers, vans, boats, and in warehouses. Technical specifications Material: Galvanized Iron Color: Silver D Ring Length: 34mm Internal D Ring Clearance: 26mm D Ring Thickness: 6mm Mounting Bracket: 57 x 20mm / 2.24 x 0.79inch Hole Diameter: 6mm / 0.23inch Bearing Weight: 540kg Usage The D-ring should be used exclusively as a cargo tie-down anchor and is not suitable for overhead lifting. Other information Please check the size measurement chart carefully before making a payment. Allow for a 1-2mm difference due to manual measurement. The color of the actual items may vary slightly from the collection images due to different screen settings.