Bore Size 16mm Port Thread Rc (25-100 Bore, M Thread 16-20 Bore) Piping G (Centralized Piping) Stroke 500 Stroke Adjusting Unit w/o Adjustment Unit Auto Switch A93--Reed, DC Volt, AC Volt, LED, Horizontal Lead Wire or Prewired Connector L (3m) Number 2 pcs. (Or None in the Case of No Switch) Made to Order None