* Hookbolt Lock / Mortise Lock / Door Lock

* Accept 1-5/32" mortise key cylinder or thumb turn cylinder

* Designed for aluninum or steel entrance doors

* All parts are zinc plated for protection against corrosion

* Hook Bolt made of 5 ply laminated steel bolt with concealed hardened steel pin provides maximum security for

any single leaf door or a typical installation where gap between door and jamb is greater than it should be

* Hook Bolt hardened to resist hacksaw attack

* Backset: 7/8", 31/32", 1-1/8", 1-1/2" available

* Faceplate available: Flat, Radius, Revel, or Radius with weather strip