Atlas model AWR3W-HR offers convenient access, lock-in security, and welded construction that can be surface or recessed mounted. The AWR3W-HR is designed to install within standard 16" stud wall construction, reducing installation time and the need to cut and repair dry wall. The AWR series features a 18-gauge CRS formed door frame with a 18-gauge CRS locking tilt-out door which closes flush against the rack face plate. The surface mount door is attached to the frame internally with 2 pin style hinges to prevent tampering.The door can be opened to two positions, tilt-out for operation, and by releasing side catches, the door will open to approximately 90° for equipment installation and maintenance. Units are furnished with two steel safety catch cables that suspend and hold doors at 90°. The back box is 18-gauge CRS and is equipped with six eight concentric 1/2" and 3/4" conduit knockouts. The 12-gauge CRS Rack rail mounting holes accept 10-32 hardware. ­