Mechanical, Lever, Cylindrical, Lockset Function Classroom, Lockset Grade 2, Style Flat with Return, Lockset Finish Satin Chrome, Keyway Type SC1, Key Type Different, Standards ANSI A156.2, Yes, Lockset Fire Rating 3 hr, Backset 2 3/4 in, Ligature No, Cylinder Core Type Not Included, Features Sierra Design, For Use With Metal or Wood Doors, Handle Material Zinc, Includes Latch, Mounting Hardware, Strike, Item Door Lever Lockset, Key Material Brass