Mortise Lockset, Style 40H Lock Body, Location Type Commercial, Mechanical, Backset 2 3/4 in, Strike Type ANSI Straight Lip, Strike Dim. 4-7/8 in x 1-1/4 in, Series AM, Required Door Thickness 1 3/4 in, For Use With Hollow Metal and Wood Doors, Pins 0, Number of Keys 0, Standards ANSI A156.13, Includes Mounting Hardware