Style B (Standard Type-Air Cushion) Bore Size 63mm Port Thread TF (G Thread) Stroke 1600 Stroke Adjusting Unit H (Both Sides Shock Absorber for High Load) 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) Long Stroke Suffix None