The Tramec 4" 12V 2-Blade Low Air Pressure Switch is designed to close with a pressure drop of 60 psi. It features blade terminals and a 1/8”-27 NPTF fitting with a deep socket for easy installation. The switch is made of brass for superior corrosion resistance and is color coded yellow for easy identification. It is suitable for multi-fit applications and is a great choice for any air pressure switch needs. FleetPride is your First Click in Heavy Duty®.