SMC CM2W Z Series Air Cylinder, round body, Double Acting, Double Rod, CDM2WB40 75Z Telescopic Cleaning Tool 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 Basic type (with bosses on both sides) tube inner diameter 32 Bore size 32mm Types of port screws Rc cylinder stroke 50 cylinder stroke 50mm cushion rubber cushion Rod end screw shape rod end male thread with bellows doesn't exist auto switch Without auto switch Auto switch additional symbol 2 with or without Custom made specifications standard Compatible models: GT NS20