Mechanical, Lever, Cylindrical, Lockset Function Classroom, Lockset Grade 2, Style 4600LN Augusta, Lockset Finish Dull Chrome, Key Type Different, Standards ANSI 117.1, Certified ANSI/BHMA A156.2 Series 4000 Grade 2, UL-cUL Fire Listed, Yes, Lockset Fire Rating 3 hr, Backset 2 3/4 in, Ligature No, Cylinder Core Type Interchangeable Core, For Use With Metal Doors with Metal Frames, Handle Material Heavy Gauge Steel, Item Lever, Key Material Nickel Silver WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov - Nickel (Metallic)