ANSI Grade 2 Enrance Handleset is forged solid brass with stylish designStainless steel mortise lock case provides highest level of key operated security and represent the industry standard of qualityIdeal for doors with thickness of 45-55mm and backset 70mm (2-34")More than 800, 000 times lifecycle tested. Patented Anti-panic FunctionThe latchbolt & deadbolt will retract simultaneously by turning the interior lever (patented).