Save money on your next home improvement project by purchasing the Atlas Contractor 4 Packs of Polished Brass Tulip Door Entry Locks. This pack of entry locks is perfect to use when you need to simultaneously install or change the locks on multiple doors at one location. The knobs come with a 2 3/8″ backset that adjusts in length easily to a 2 3/4″ if necessary to fit your door. Complete directions on how to adjust the backset and install the lock are included. The outside keyed door knob has a KW-1 keyway and a thumb turn knob locking/unlocking inside. All locks are keyed alike and packed 4 to a box. Each lock comes with 2 keys, a convertible mortise to drive in latch, removable faceplate, strike plate and mounting hardware.