SMC MGP Z Series. Compact Guide Cylinder, MGPM16 100Z Color Pin Punch Set Octagonal Specification item model symbol Specification Specification item model symbol Specification information built in magnet No built in magnet installation support B Through hole (standard) tube inner diameter 25 tube inner diameter 25mm Types of port screws Rc M screw cylinder stroke 20 cylinder stroke 20mm dual stroke mark No dual stroke mark cylinder stroke 2 Cylinder stroke 2 None body options M rod end male thread Auto switch mounting groove No auto switch mounting groove auto switch Without auto switch Auto switch additional symbol 2 with or without Custom made specifications standard pick up capacity is 40gf