Medium Size: 58mm x 20mm; D-Ring: 44mm x 37mm; Screw Hole: 6mm; Thickness: 3mm. High Quality Material: Well made, stainless steel, solid stuff, corrosion and rust proof. Widely Applications: Suitable for flatbed, trailers, trucks, ATVs, UTV, vans, motorcycles, camping gear, kayaks, power tools, etc. Great Securing Lashing rings: Anchor all logistics to bind ratchets and cam straps, ropes, hooks and chains. Easy to transport without loosing. Valuable Package: Each package comes with 15 pcs high quality D-Rings, suitable for most of your needs like camping, tying and so on. Features: Top quality cargo control products: Well made, stainless steel, solid stuff, corrosion and rust proof. All-encompassing selections: flatbed, trailers, trucks, ATVs, UTV, vans, kayaks, golf cart, camping gear, etc. Your priority choice! Easy to Apply: Drilled 2 holes and riveted in. Attach the hooks to cord, then hook into the D-rings. Anchor all logistics to bind ratchets and cam straps, ropes, hooks and chains to secure goods of all sizes. Added a few to the frame for a cargo net. Easy to transport without loosing. Specifications: Material: Stainless Steel Type: Lashing Ring Color: Silver Package Included: 15 PCS * D Ring Tie Down Anchors