Bore Size 50mm Port Thread TF (G Thread) Piping Flange Side Stroke 30mm (RS2H50,63) Action D (Double Acting) Roller Material M (Carbon Steel) Option D (Locking Mechanism) Port and Lever Position 0В° 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 Case of No Switch)