The 855 series features Key Wind operation which allows the door to be locked and unlocked by full rotations of the key.
The latch is retracted by the key or the handle.
Type 1 refers to 4 roller lo...
The GU Lever Operated Latch & Deadbolt is a multipoint locking system with a 20mm Faceplate. This particular mechanism comes with a Latch, Deadbolt and 2 Hookbolts.