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.