Arrow AM11HTG03-RH Polished Brass US3 Right Hand Grade 1 Entry Mortise Knob Lockset With Escutcheon Plate, specially designed for heavy duty use, like in, hospitals, and commercial buildings where security, durability, and low maintenance are required. This lock is UL/cUL listed for A labeled doors or lesser, it's ANSI A156.13 Series 1000, operational Grade 1 certified, and it meets FF-H-106C, Series 86 and 87. This mortise lockset features a 2-3/4" inch backset, it fits standard doors 1-3/4" thick, and the armored front is made of heavy gouge steel, 8" x 1-1/4" x 3/32". Accomodates flat doors and doors beveled 1/8" (3mm) in 2" (51mm). The face plate is made of wrought brass or bronze, attached by machine screws to lockcase front. The Latchbolt is constructed of stainless steel, with a 19/32" x 1-1/4" x 1" throw. The Knob is made of nickel steel, 5/16" and 9/32". The strike is constructed of wrought brass or bronze, with an ANSI straight lip standard, 4-7/8" x 1-1/4" and a 1-1/8" lip to center.

Entrance: Latchbolt operated by lever from either side. Outside lever locked by push button from inside. Unlocked by key from outside or rotating inside lever. When outside lever locked by push and turn button from inside, key from outside or rotating inside lever retracts latch, does not unlock outside lever.