The CQU series was designed to be a lightweight, compact plate type cylinder.? The series is available in bore sizes 20mm, 25mm, 32mm, and 40mm.? Auto switches can be mounted without removing mounting brackets.? It is possible to mount a small auto switch in 4 directions.? CQU mountings include through hole/double end tapped (standard), a vertical foot bracket,?horizontal foot bracket, and double clevis.