Magnet D (Built-in) Mounting B (Through Hole, Both Ends Tapped) Bore Size 25mm Lube-retainer Without Stable Lubrication Function Stroke 75mm Option CM (Rubber Bumper,Rod End Male Thread) 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) Dust Resistant None