SMC CM2R Z Series Air Cylinder, round body, Direct Mounting, Double Acting, Single Rod, CDM2RA20 250Z Torque Extension Bar Set Rc cylinder stroke 400 Cylinder Rc cylinder stroke 400 Cylinder stroke 400mm reconciliation format B With shock absorber (with 2 pieces) auto switch M9BL Solid state auto switch Specification item model symbol Specification information With auto switch D With auto switch Mounting support type B Basic type tube inner diameter 16 tube inner diameter 16mm cylinder stroke 20 dual stroke mark No dual stroke mark cylinder stroke 2 Cylinder stroke 2 None Cylinder additional symbol A air cushion Port location on head cover 90° about axis rocking support bracket no metal fittings rod end bracket no metal fittings auto switch Without auto switch Auto switch additional symbol 2 with or without Auto switch mounting type B band attached Custom made specifications standard