Bore Size: 20mm, Action: Double Acting, Dust Cover: Silicone Rubber (SI), Auto Switch: M9N--Solid State, Gen. Purpose, 3 Wire NPN, Horizontal, 0.5M, Lead Wire or Prewired Connector: 3m, Number: 1 pc.
Bore Size: 20mm, Action: D (Double Acting), Dust Cover: S (Silicone Rubber (SI)), Auto Switch: M9N--Solid State, Gen. Purpose, 3 Wire NPN, Horizontal, 0.5M, Lead Wire or Prewired Connector: L (3m), Number: S (1 pc.)