positive mortise
1. Square rod, the installation position of the handle square shaft is at the top.
2. Mechanical key hole, 50MM distance from the square bar
3. mortise 5050 lock body can be used for long panel type lock
inverted mortise
1. Square pole, the installation position of the square shaft of the handle is at the bottom.
2. There is no mechanical keyhole.
3.inverted mortise 5050 lock body can be used for short panel type lock
