This is for ONE  of a Antique  5-1/4"  Brass Providence Pipe & Sprinkler Co. Water Providence R.I.  0-250 FM 1926 (95351022) Pressure Gauge. This is a Panel/Wall Mount type with 1/4" Pipe Connection Made By ASHCROFT MFG Co. NEW YORK. This would look great on Tractor Engine, Boiler, Water Supply/Steam Gauge, or Steampunk Brass Gage Project.