SMC ZK2A Vacuum Unit, Single Unit Type Vacuum Generator, ZK2A10K5NL2A 08 B Size_006^20 TORX®: T45 TORX®: T45 Specification item model symbol Specification information form doesn't exist bearing type M plain bearing Mounting support type B Basic type tube inner diameter 20 tube inner diameter 20mm Types of port screws Rc cylinder stroke 150 Cylinder stroke 150mm Stroke adjustment symbol doesn't exist dual stroke mark No dual stroke mark cylinder stroke 2 Cylinder stroke 2 None auto switch Without auto switch Auto switch additional symbol 2 with or without Auto switch mounting bracket doesn't exist Custom made specifications standard