Description This D ring set is made of exceptionally heavy duty zinc-plated solid steel, to prevent corrosion and rust. These tie down rings work well on any surface or floor. These D rings come with mounting brackets but not bolts. The recommended installation would be with bolts 1/4" diameter round to fit the 9/32" holes on the mounting clips. Features - Color: Shown in the pictures. - Material:Metal. - Size: Approx. 5.5 x 4 x 0.7cm/ 2.2 x 1.6 x 0.28 inch (LxWxH). - Come with high-strength steel construction for strength and longevity, can handle a load up to 1200 pounds per ring. - D ring anchors add a convenient anchor point for ropes, bungee cords or straps. - Widely used as tie-down anchors on trucks, pickups, kayaks, ATVs, campers, vans, boats, and trailers, etc.Package listing: 4 x Tie Down D Ring Load Anchor Trailer Anchor Forged Lashing Ring with 9600 Pound Capacity