SWITCH Adapter Fitting With 3/8"-24 Male Flare (With Schrader Valve) Fitting For Your S.A.E. 7/16-20 Female Binary/ Trinary Pressure Switch. (Has 3/8-24 Threads on End That Screws Into Your Drier Or In Line Device and The other Has 7/16"-20 Male Flare Threads to Fit Your Female Threaded 7/16"-20 Binary or Trinary Switch).