Tru Close Series 3 Heavy Duty Hinges for Metal Gates 2 Legs Black Pair selfclosing requiring a minimum gate gap locks requiring a minimum gate gap of 2 The Bolt On was designed to be used on smaller gates where welding the hinges to the gate and the end post is not an option adjustable closing tension (from either end of hinge)• Super strong polymer and stainless steel construction• UV stabilized and self lubricating durability• Decorative trim covers available (no visible fasteners)• Optional 1 or 2 side fixing legs for faster alignment & added strength Self Closing Hinges for High Traffic & Pool Gates• For pool and safety gates install a hinge safety cap (optional)• Quick and easy to install• Self closes gates up 154 lb (70kg)• Won’t rust