Enerpac® gauge adaptor, series: GA series, for use with: GA series pressure gauges, 3/8 in FNPT, 700 bars pressure, 1/2 in port gauge, 6.1 in L. Enerpac® GA-2 GA Series Gauge Adaptor, 3/8 in FNPT, 700 Bars Pressure, 1/2 in Port Gauge, for Use with GA Series Pressure Gauges