The 7145 full mortise entry lockset, typically specified for classroom and commercial entry functions, is operated by a knob or lever from either side and is locked by a key only from the outside. This lockset incorporates an adjustable bevel faceplate and a three-piece anti-friction latch that is deadlocked by the auxiliary latch. This lockset is suitable for doors 1-3/4″ thick or greater and has a faceplate 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 dust box are provided. This lockset can be provided with any Nanz handle or cylinder. All finishes are available. This lock is UL Listed and has a 3 hour fire rating.