Magnet None Mounting B (Through Hole [Standard]) Bore Size 50mm Port Thread Type Rc: 32-100 Bore M Thread 12 to 25 Bore-Stroke 20mm Action S (Single Acting, Spring Return) Body Option Standard (Rod End Female Thread) Auto Switch Groove Z (Auto Switch Mounting Grooves) Mounting Bolt None Rod End Bracket None 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 Rod End Options None Made of Stainless Steel None Fluororubber Seal None