American standard mortise lock backset 2-1/2"(64mm) for entrance with Emergency Egress function.

* Solid brass deadbolt, anti-cut, secure and durable.

* Solid brass latch, anti-insert, easily reversible.

* Quality stainless steel lock body shell and high-tech mechanism inside, more stable and higher security.

* 304 stainless steel strike and front plate.

* Finish options: SS / AB / AC / PVD / YB, etc.

* Door thickness adaptable: 35-44mm (narrow, with 26mm width strike plate); 45mm and above (with 30mm width strike plate)

* Function options: Entrance / Privacy / Storeroom / Classroom / Dead bolt / Classroom security