Copper Free None MGC MGC Air Hydro None M M Mounting F (Front Flange) Bore Size 32mm Stroke 300 Option w/o Rear Plate Auto Switch M9PW--Solid State, 2-color Indication, 3 Wire PNP, Horizontal Lead Wire or Prewired Connector Z (5m) Number 2 pcs. (Or None in the Case of No Switch)