Magnet D (Built-in Magnet) Mounting B (Basic) Bore Size 40mm Stroke 1050 Rod Boot w/o Rod Boot Rod Single Rod 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) Rod End Options None Temperature Resistance None Heavy Duty Scraper None Tie Rod None Fluororubber Seal None Coil Scraper None Made of Stainless Steel None