Mechanical, Knob, Cylindrical, Lockset Function Entrance/Office, Lockset Grade 2, 4600 Ball Style, Satin Stainless Steel Lockset Finish, Keyway Type Yale Para, Key Type Different, Standards ANSI A156.2, Series 4000, No, Lockset Fire Rating 3 hr, Backset 2-3/4 in, Ligature No, For Use With Metal Doors with Metal Frames, Wood Doors with Metal or Wood Frames, Item Knob Lockset, Key Material Nickel Silver, Knob Material Heavy Gauge Steel, Location Type Commercial WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov - Nickel (Metallic)