Magnet D (Built-in Magnet) Mounting G (Rear Flange) Bore Size 25mm Port Thread Rc: 32 to 100 Bore M Thread 20, 25 Bore) Stroke 50 Body Option M (Rod End Male Thread) Auto Switch No Switch Lead Wire or Prewired Connector 0.5m (Or None in the Case of No Switch) Number 2 pcs. (Or None in the Case of No Switch)