Magnet: D (Built-in) Mounting: N (Basic Integrated Clevis) Bore Size: Ø20 mm Stroke: 500 Cushion: C (Air Cushion) Rod Boot: None Auto Switch Mounting Type: B (Band) 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 Low Speed: None Stainless Steel: None Long Stroke: X2018 (Long Stroke)