The Sargent 28-60-10G04-LL features a Storeroom or Closet function with a 2-3/4" backset, 4-7/8" strike, and L Rose/L Lever, prepped for a Large Format Interchangeable Core (LFIC). Sargent's 10 Line Lock is ANSI/BHMA Grade 1 certified for cycle and strength requirements. Exceeds cycle testing standards by nine times with 9.6 million cycles and torque resistance by 1.5 times making this lock perfect for institutions, schools, office spaces, healthcare facilities, storerooms, and classrooms.