The Schlage ALX50B-ATH is a Cylindrical Office function lock, with an Athens Lever, with Field Selectable Vandlgard feature, accepts an SFIC Small Format Interchangeable Core, Sold Less Core, has a 2 3/4" backset, 4 7/8" ASA Strike, is Non-Handed, is Grade 2, and is available in 626 Satin Chrome or 622 Matte Black finish.
Schlage ALX50 Entrance/Office Lock - Key cylinder outside; push button inside; dead latch. Inside push button locks outside lever. Unlock with key outside or by rotating inside lever. Field selectable Vandlegard feature. Inside lever always free for immediate egress.

ALX Series Grade 2 Cylindrical Lock
A first of it's kind, Schlage ALX Series is modular in design creating new ways to order, configure and utilize a lock. Whether purchased configured or as chassis, function, and lever kits, you gain extreme installation simplicity, exceptional durability, expanded cylinder support, and maximum flexibility.