Built for performance and security, this ANSI/BHMA Grade 2 lockset features a 2-3/4" backset, adjustable door thickness (1-3/8"-2"), and a 1/2" stainless steel latch bolt. Compatible;e with SC4 6-pin cylinders and small format interchangeable cores. Includes panic-proof push/turn, anti-friction latch, and meets 3-hour fire rating.