The Sargent 28-60-10G38-LL is ANSI/BHMA Grade 1 certification, surpassing testing standards by a remarkable ninefold. The 60-10G38 variant is equipped with a Classroom Security Function, prepared for an LFIC Interchangeable Core (60), and features a 2-3/4" backset, a 4-7/8" strike, an L rose, and a L lever design.