Magnet D (Built-in) Mounting B (Through Hole, Both Ends Tapped) Bore Size 16mm Lube-retainer Without Stable Lubrication Function Stroke 15mm Option Standard (Rod End Female 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