This Lockmaster features a hook in the central gearbox rather than a deadbolt as well as 2 further anti lift hooks and 4 rollers. Please note that this version is unsprung and should only be used with...
A 2 roller lock with serrations for attaching shootbolts at the top and bottom of the door.
Operation: Lift lever.
Latch reversal: Depending on date of manufacture either- Push in the latch and un...