Camden Door Controls 2000 Cast Aluminum Key Switch Controls – Narrow Style. Flush mount key switches designed for use with standard 1”, 1 1/8”, or 1 1/4” mortise cylinders. Fabricated from 1/4” thick aluminum, into a one piece die cast construction is single gang (2 3/4”) width. Accept one or two switches, and have a counter sunk cylinder opening, in a one piece casted assembly. A brass cylinder lock ring, 2 socket/slotted screws, and 2 tamperproof screws with driver, are also supplied. The design and construction makes it ideal for all-weather environments. The assembly is tamper and vandal resistant. 1 3/4” wide, perfect for door frames or narrow areas