Multiple pistons attached to a common rod with internal air passages allow much higher forces without having to use a bulky, larger bore cylinder or high pressure hydraulics. 8 bore sizes with a choice of 2, 3 or 4 stages (pistons).Duralon® Rod Bearing for Longer Life • Prelubed with Magnalube-G® Teflon Grease •Chrome Plated Stainless Steel Piston Rods •Air Service to 150 PSI. Uses only 1 Stage to Return, Saving Air Volume • Many Options to Choose From
