Air & Hydraulic Cylinders Series 131 Micro Pneumatic Cylinders Series 131 micro air cylinders are available in the smallest sizes in the industry, bore sizes 2.5, 4, 6 and 10mm. Both single acting and double acting functions are provided, single acting is available as spring retract only. Strokes up to 30mm are available in single acting versions and up to 60mm in double acting. Construction is corrosion resistant. Cylinder bodies and piston rods are stainless steel, heads and caps are either anodized aluminum or brass, depending on bore size. Mounting options are front flange mount, foot mount and rear pivot. Elastic cushions are standard and magnetic piston is available in the 10mm size. Connections are via integrated barbed fittings or M5 threaded ports, depending on bore size. Order your free Master Industrial Pneumatics Catalog on CD Go to on-line catalog pages