Mechanical, Lever, Mortise, Lockset Function Classroom, Lockset Grade 1, Style Flat with Return, Lockset Finish Satin Chrome, Keyway Type AR4, Key Type Different, Standards ANSI A156.13, Yes, Lockset Fire Rating 3 hr, Backset 2 3/4 in, Ligature No, Cylinder Core Type Not Included, Features Lockset is Field Reversible, Ventura Design, For Use With Metal or Wood Doors, Handle Material Brass, Includes Component Kit, Lever, Trim, Item Door Lever Lockset