Series CS2 air cylinder is a double acting, non-lube air cylinder. Aluminum die-cast is used for both the rod and head covers, whichmeans a maximum weight reduction of approximately 50% *. This series is available in bore sizes 125mm, 140mm and 160mm with maximum strokesup to1600mm *. Air cushions are standard on both ends.Other options include auto switches, rod boots,and Rc, NPT or G thread types.