▪ Magnet: D (Built-in);Mounting: B (Basic, w/o Bracket);Bore Size: Ø40;Stroke: 40;Rod Boot: None;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]