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