* Hookbolt Lock / Mortise Lock / Door Lock

* Accepts 1-5/32" mortise cylinder from either or both sides.

* Hook Bolt made of 5 ply laminated steel

* Hook Bolt hardened to resist hacksaw attack 

* Case size: 39 x 22 x 152mm (backset:31/32")

* Backset: 31/32", 1-1/8", 1-1/2" available

* Suitable for metal door