Mechanical, Knob, Cylindrical, Lockset Function Passage, Lockset Grade 1, 5400CK Ball Style, Dull Stainless Steel Lockset Finish, Keyway Type None, Key Type Not Keyed, Standards ANSI A156.2, Series 4000, No, Lockset Fire Rating 3 hr, Backset 2-3/4 in, Ligature No, For Use With Hollow Metal Doors, Includes Mounting Hardware, Item Knob Lockset, Key Material Nickel Silver, Knob Material Steel, Location Type Apartment, Hotel, Multi-Family, Office