What is the tool for the lock?
Open the hole with a hole, you want to open much empty to buy how much of the hole device
A turn and turn the head of the `general did not press the installation of more trouble and not easy to use
Requires hand drill 3.2MM drill bit
If not, then you use the arrows to compare something hard. Hit with a hammer on it. (Draw a good hole do not knock to the lock)
Professional aluminum doors and windows plastic window stealth Shachuang processing department of technical staff to answer your questions!
