SMC CRBU2 Series Free Installation Rotary Actuator Vane TypeCRB2BWU20 100DZ Glass Running Plier Specification item model symbol Specification Specification item model symbol Specification information With auto switch D With auto switch form pneumatic type Mounting support type B Front installation type tube inner diameter 20 tube inner diameter 20mm cylinder stroke 60 dual stroke mark No dual stroke mark cylinder stroke 2 Cylinder stroke 2 None cushion rubber 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 For cleaning cobblestones in the garden