Mechanical, Lever, Mortise, Lockset Grade 1, Style 45H Escutcheon, Lockset Finish Satin Chrome, Key Type Different, Standards ANSI, Yes, Lockset Fire Rating 3 hr, Backset 2 3/4 in, Ligature No, Features Contour Angle Return Lever Style, Right Handed, Includes Lever, Trim and Component Kit, Item Mortise Lockset, Key Material Nickel Silver, Location Type Commercial, Institutional, Residential, Number of Keys 2, Required Door Thickness 1-3/4 in, Series 45H