Premium Material: The D-ring tie down eyelets are made of high strength steel to resist corrosion and rust, strong and durable, load bearing up to 400kg per ring. Package includes: 6 pieces D-rings and 6 pieces mounting brackets with 12 pieces screws. The size of each bracket is 5.7 x 2 x 0.3cm, the size of the D-ring is 4.7 x 3.7 x 0.6cm, the size of the screw is 19mm, the hole in the bracket is 0.65cm. Easy to install: This complete D-ring hook kit comes with all the necessary screws. Only two screws are needed to be screwed into the screw holes of the bracket and it can be fixed to any wooden or metal surface. D-ring design: The D-ring provides enough space for a comfortable anchor point for ropes, rubber cables or straps. It can fix most motorcycle restraint systems, bungee cords, tarp straps, canvas straps, small chains, ratchet straps and cams, ropes and other restraining straps, etc. Wide application: The D-ring tie-down has a variety of functions used in trucks, pickups, kayaks, ATV campers, vans, boats and trailers and are also practical as wall hooks in garages, warehouses and organized workshops.