Magnet: Built-in, Mounting: Basic, Bore Size: 1 1/2", Stroke A: 4", Cushion A: Both Ends, Rod Boot A: None, Stroke B: 4", Cushion B: Both Ends, Rod Boot B: None, Auto Switch: A64--Reed, DC Volt >5<24, AC Volt <200, Lead Wire or Prewired Connector: 0.5m (Or None in the Case of No Switch), Number: 1 pc., Dual, Tandem Option: Dual Op., Sgl. Rod