... available.3,Actuator Body According to the different requirements, the extruded aluminum alloy ASTM6005 Body can be treated with hard anodized, powder ... etc.),PTFE or Nickel plated.4,End caps Die-casting aluminum powder polyester painted in different colours, PTFE or Nickel plated ... Pistons The twin rack pistons are made form Die-casting aluminum treated with Hard anodized or made form Cast steel with ...