SMC CM2R Z Series Air Cylinder, round body, Direct Mounting, Double Acting, Single Rod, CDM2RA25 125Z Hand Adapter Old JIS C type Old JIS C type Specification item model symbol Specification information With auto switch D With auto switch form pneumatic type Mounting support type A Bottom installation type tube inner diameter 20 tube inner diameter 20mm cylinder stroke 25 cylinder stroke 25mm dual stroke mark No dual stroke mark cylinder stroke 2 Cylinder stroke 2 None cushion A air cushion Rod end screw shape rod end male thread rod end bracket no metal fittings auto switch Without auto switch Auto switch additional symbol 2 with or without Custom made specifications standard