Master Lock Privacy Door Lock, Commercial Lever Style Handle, Brushed Chrome, SLCHPV26D DOOR LOCK APPLICATION: For indoor use; Best used for heavy-duty commercial interior locking applications DURABLE DESIGN: Cylindrical construction for enhanced durability HEAVY DUTY SECURITY: 3 hour UL listing; Meets ANSI/BHMA A156.2, Grade 2 standards SPECIFICATIONS: 2-3/4 in. fixed backset latch