Clean Series Without Clean Series Magnet D (Built-in Magnet) Mounting Direction B (Lateral Mounting) Bore Size 6 Stroke 20mm Action D (Double Acting) Rod End Thread Rod End Female Thread (w/o Thread for 4) 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)