Mechanical, Lever, Cylindrical, Lockset Function Passage, Lockset Grade 2, Style Sierra, Lockset Finish Satin Nickel, Keyway Type None, Key Type Not Keyed, Standards ANSI BHMA A156.2, Yes, Lockset Fire Rating 3 hr, Backset 2 3/4 in, Ligature No, Cylinder Core Type Not Included, Features Anti Lockout, Heavy Duty Torsion Spring, Square Latch, Tubular, For Use With Metal or Wood Doors, Handle Material Zinc, Includes Mounting Hardware, Item Door Lever Lockset