Commercial Exit Device Panic Bar, Aluminum for 36' Doors.Dorma part EX100066 The 8000 Series exit devices with deadlocking latch bolts minimize forced entry while offering a low cost solution to security and life safety requirements. The touchbar, rail assembly and integral parts are constructed of solid steel. Exit Only Fits standard 1 3 4 2 1 4 thick doors Size B = 36, Size A = 48 F8300 3 Hour Fire Rated