The Maco MK4 GT-S gearbox (side button) is a replacement lock case for other Maco brand MK4 locking systems. This is a high security door lock that utilises a button on the front side that allows you to ‘pop up’ and swiftly remove the latch. Consequently allowing you to reverse it as well.
- 92mm PZ size
- Available in both 28mm and 35mm backset sizes
- Features a deadbolt for increased resistance against an assailant
- Quick release side button allows the latch to ‘pop up’ and remove