For hallway , corridor, & passage doors. _x000D__x000D_
Grade 3 Certified. Qulity built for more than 200,000 open/close cycles. _x000D__x000D_
Fits doors thickness in range of 1-3/8" to 1-3/4". _x000D__x000D_
Include 2-3/8" or 2-3/4" adjustable backset latch. _x000D__x000D_
Fits either right hand or left hand Doors.