Mechanical, Knob, Cylindrical, Lockset Function Passage, Lockset Grade 1, X Hana Style, Satin Chrome Lockset Finish, Standards ANSI A156.2, ADA Compliant No, Lockset Fire Rating 3 hr, Backset 2-3/4 in, Ligature Resistant No, Includes Hardware, Item Knob Lockset, Knob Material Brass/Steel, Location Type Commercial, Lockset Performance Strength Heavy Duty, Pins 6, Required Door Thickness 1-3/8 in and 2-1/8 in, Series X, Strike Dim. 4-7/8 in x 1-1/4 in, Strike Type ASA Strike