Special designed to conserve specifiction widely used on FRL, mini hand-pump, equipment where fittings space is limited. Application: ... Special designed to conserve specifiction,widely used on FRL, mini hand-pump,equipment where fittings space is limited.Air service ... thread Customized dial Pressure Increment:bar, kPa, kg/cm2, Mpa, or dual scale. Temperater:Ambient Temp.: -4°F to 140°F ...