Mortise Lockset Style Non-Handed Function Fail Safe Location Type Commercial Electrical 12/24V DC Backset 2 3/4 in Strike Type ANSI Strike Dim. 4-7/8 in x 1-1/4 in 3 hr Fire Rated Series ML20900 Case Material Heavy Gauge Steel Satin Chrome Finish Case Size 8 in x 1-1/4 in x 4 in Required Door Thickness 1 3/4 in For Use With Access Control Power Supply Power Transfer Device Grade 1 Pins 0 Number of Keys 0 Standards ANSI A156.13 Includes Scalp Strike