General description Heavy Duty Tie Down Rings are designed for securely mounting, fastening, and anchoring 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 0.79 inch Hole Diameter: 6mm / 0.23 inch Bearing Weight: 540kg Other information Package includes: 6 D-Rings The D-ring should be used only as a cargo tie-down anchor and not for overhead lifting. Please check the size measurement chart carefully before making a payment. Please allow 1-2mm difference due to manual measurement. The color of the actual items may be slightly different from the collection images due to different screen settings.