Built-in Magnet D (Magnet & Switch Rail) Bore Size 50mm Thread TF (G) Seal H (External: FKM) Stroke 250 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)