The Sargent 10 Line 28-70-10G37-LL provides superior security with its Grade 1 construction, 2-3/4" backset, 4-7/8" strike, SFIC Interchangeable Core, and L Rose and L Lever. Ideal for high-traffic, high-security commercial applications, the 28-10G37 is the perfect choice for offices, institutions, and other spaces.