The No 7156 full mortise Entry lockset is often used on office, classroom, and storeroom doors. It is available in standard and extended backsets, and incorporates an adjustable bevel faceplate and a three piece anti-friction latch. The latch bolt is operated by a key outside or by lever on either side unless the outside lever is locked by the toggle. An auxiliary latch deadlocks the latch bolt when the door is closed. 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 dustbox are provided. The lockset can be delivered with any Nanz handle, and cylinder. All finishes are available. This lock is UL Listed and has a 3 hour fire rating.