... SIseries pneumatic cylinders are provided with adjustable cuhion on both cylinder end covers to make sure the cylinder works very smoothly, ... are CNC machined, and important seals are from Parker, to guarantee the pneumatic cylinder work stably and safly. Pneumatic ... Cylinders,cylinder,Standard Cylinders,Compact Cylinders,Stainless Steel Mini Cylinders ,Aluminum Alloy Mini Cylinders