Magnet D (Built-in Magnet) Mounting B (Basic Style) Bore Size 16mm Seal Material R (NBR) Stroke 200 Head Cover Port 90В° to Axis Auto Switch B (w/o Switch, w/ Magnet) 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)