Knob is stored flush when pushed in and not in use.
Knob pops out when pressed to open the door.
Latch securely locks the door with deadbolt.Door Thickness: 15 mm to 30 mm (19/32'' to 5/16'')
For doors 13 mm thick, use a 2 mm plastic spacer (7550930 or 7550990)Holding force: 10 kg (22 lb)
Non-Handed: Can be installed on left or right side.