Stainless Steel AISI 303 rolled rod to reduce friction as much as possible Rod and piston seals with the highest efficiency and longest durability Metal piston to resist to extreme stresses Bronze guide bushing to reduce the axial clearance when rod is fully extended Both ends of Airwork’s round cylinders are fixed to the tubes thanks to a rolling process. They are available in different versions: single or double acting, magnetic, cushioned. Fixing accessories are available and special executions can be carried out.