<b>Material:steel Finish:Zinc plated</b> <br>It has 6 mounting holes and will work on most garage doors such as wood gate ,metal gate ,vinyl gate <br>1 Consist of a spring-action slide bolt locking mechanism <br>2 designed to mount flush on the interior of the garage door <br>3 has a release mechanism that safely releases tension on the spring-action slide bolt and disengaged the slide bolt <br> <b>Usage guideline:</b> <br>1:make sure you have slots on the garage side rails and space before purchasing <b> (if you’re adding this to your automatic or manual garage door) <br>2:You have to manually unlatch this latch before you open the garage door <br>3:Having 2 deadlocks on opposite sides (Installed 1 on each side ) provides better security <br>4: they come with a hole in the end so we can put a keyed pad lock on to better secure the building <br>5: if someone had a remote controlled deadbolt on a separate frequency. <br> This way even if they spoof your door opener, the dead bolt will stay locked <br>6: when you assemble them on the left side of the door. If flipped the lock over, <br>to assemble on the right side the slide would no longer match the cutout in the track. <br>The solution is to disassemble the lock and change the slide direction. <br>It was very easy and takes less than a minute to do