Mechanical, Lever, Cylindrical, Lockset Function Passage, Lockset Grade 1, Style TRXL, Lockset Finish Satin Stainless Steel, Standards ANSI A156.13, BAA, OMH, UL 10C Positive Pressure, Yes, Lockset Fire Rating 3 hr, Backset 2 3/4 in, Ligature Yes, Features 3 Point Ligature , For Use With Wood, Steel and Fiberglass Doors, Handle Material Stainless Steel, Includes Mounting Screws, Item Ligature Lever Lock, Lockset Performance Strength Heavy Duty