Magnet D (Built-in Magnet) Mounting B (Basic) Shaft Type W (Double Shaft) Angle Adjusting Unit None Type Pneumatic Size 30mm Port Thread M Thread (30) Rc (50-100)-Rotation Angle 180В° Air Cushion 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)