#1 Garage door hinges are made of high quality steel,galvanized finish,rust-proof, sturdy and durable for long time use,tested to open and close the door at least 10,000 times Heavy duty garage door hinges are easy to install. They are great replacement parts on heavy garage doors accessories and old damaged garage door hinges Garage door hinges are designed to connect together the 1st and 2nd panel of a sectional garage door and accept 7/16 inch diameter roller shafts The garage door hinges 14 gauge is suitable for residential / light commercial garage door , sush as automatic garage door, solid wood -garage door, remote garage door, vault garage door, villa garage door, engineering garage door, and so on Package include: 4 Pack #1 garage door hinges and mounting screws hardware