High quality materialThe tie down D rings are made of high strength steel to resist corrosion and rust, strong and durable. Easy to installThis Complete set of D hooks comes with all necessary screws. It only takes two screws to screw into the screw holes of the bracket and it can be attached to any wooden or metal surface. D-ring design The D-ring provides ample space for a convenient anchor point for rope, rubber cable or straps. It can attach most motorcycle restraints, bungee cords, bungee cords, tarpaulin straps, canvas straps, small chains, ratchet and cam straps, ropes and other restraint straps, etc. Wide applicationThe D-ring hitch has a variety of functions used in trucks, vans, kayaks, ATVs, vans, boats and trailers, also practical as wall hooks in garages, warehouses and organized workshops.