THIS ABILITYONE ITEM IS EQUIVALENT TO THE FOLLOWING MODELS: ALLEGION SCHLAGE 738D18 PDQ GT137PHL626234ASALFL PDQ GT137PHLLFIC ALLEGION SCHLAGE ND66JDRHO626 SCHLAGE ND66PD. SKILCRAFT Door Locks Cylindrical GT Series Store Door F91 GT 137 Philadelphia BRAND NAME: SKILCRAFT. GT series cylindrical locksets exceed industry standards, offering durability, security, and ANSI/BHMA Grade 1 extraheavyduty certification. Grade 1Cylindrical Lockset, F91Store Door function, GT 137 Series, Philadelphia lever style, 23/4 backset, Strike Type Dimensions 11/4 x 47/8 ASA, recommended door thickness 13/4 21/4. Best compatible keyway small format interchangeable (SFIC) housing less core. Windstorm rated. Made in the U.S.A. 25year limited warranty. SDS SHEETS: Yes. ENVIRONMENTAL SUSTAINABILITY (GREEN) INFO: PreConsumer Recycled Content: 0