Piping Bilateral Piping Type Bore Size 20mm Port Thread M Thread: Bore 6-15 Rc Bore 20-40 Stroke 200 Stopper Type B [Shock Absorber/Adjustment Bolt (Metal Ended), Mounted on Both Sides] 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)