The No 7125 full mortise passage latch set for corridors or closets is available in standard and extended backsets and incorporates an adjustable bevel faceplate and a three piece anti-friction latch. This latch set is designed for doors 1-3/4″ thick or greater, and has a face plate measuring 8″ x 1-1/4”. When ordering, specify knob or lever function, and backset of 2-1/2″, 2-3/4″, 3-3/4″, 5″, or 6”. A strike plate and wrought metal dustbox are provided. All Nanz finishes are available. This lock is UL Listed and has a 3 hour fire rating.