Mechanical, Lever, Cylindrical, Lockset Function Classroom, Lockset Grade 1, Style 4700LN Augusta, Lockset Finish Dull Chrome, Key Type Different, Standards ANSI 117.1, ANSI/BHMA Specifications A156.115 Certified ANSI/BHMAA156.2 Series 4000 Grade 1. UL cUL Fire Rated, UL Listed, Yes, Lockset Fire Rating 3 hr, Backset 2 3/4 in, Ligature No, Cylinder Core Type Not Included, For Use With Metal Doors with Metal Frames, Handle Material Heavy Gauge Steel