SMC MGP Z Series. Compact Guide Cylinder, With Air cushion, MGPA16 125AZ Reamer ScotchGuard™ Anti Fog Coating ScotchGuard™ Anti Fog Coating 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 20 tube inner diameter 20mm Types of port screws Rc cylinder stroke 100 cylinder stroke 100mm 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