Click to expand Tap to zoom Performance Tool M693 Air Regulator w/Gauge by Performance Tool Shop in-store. or at DarraghCompany.com Unfortunately, we are shutting down ToolCentral.com. Local customers can still shop online at DarraghCompany.com or in-store. Shop with Darragh SKU 498387 Additional Information 1/4" male x 1/4" female NPT. Pressure gauge reads up to 160 PSI. Brass construction.