SMC MGP Z Series. Compact Guide Cylinder, With Air cushion, MGPM20 50AZ Air Angle Grinder Specification item model symbol Specification 353 7912 Specification item model symbol Specification information built in magnet D built in magnet installation support A both ends tab form pneumatic type tube inner diameter 63 Bore size 63mm Types of port screws Rc M screw cylinder stroke 150 Cylinder stroke 150mm how it works D double acting cushion C With rubber cushion body options Standard (rod end female thread) Auto switch mounting groove Z 4 sides auto switch without auto switch Auto switch additional symbol 2 with or without Custom made specifications standard Specification — CDJ2B16 200Z A SMC MGPM20 50AZ — MGP Z Series A change of one character in the suffix gives a different part