SMC Escapement MH For SMC Escapement MH cylinder, have size 10mm, 15mm, 20mm, 25mm and 32mm. Drawing and Dimension: Pneumatic Cylinder Aluminum Alloy Profile Tube Manufacturer Pneumatic Cylinder Aluminum Alloy Round Tube 6431 Compact Cylinder Tube (FESTO DNC) Type A SMC Compact Cylinder Tube