Built-in Magnet D (Magent & Switch Rail) Bore Size 20mm Thread Rc (M5x0.8) Seal R (NBR) Stroke 100 Grease F (Grease Approved for Food Industry) Auto Switch None 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)