SI series pneumatic cylinder is also one of the standard cylinders. It has Mickey mouse and Tie-rod two types. The bore size is from 32mm to 200mm. We have basic type, double-shaft type, double-shaft and adjustable stroke type etc. The adjustable cushioning in cylinder front and rear end caps, making the cylinder a smooth, safe and noise-free operation. The cylinder front cover has self-lubricating bearings, and the rod without further lubrication.