Detailed Product Description Bourdon Tube Pressure Gauge(Dia.40,50,63mm Acc.2, 5)Dia.40mm50mm63mmCaseSteel-black, Option: plastic / stainless ... steelMeasuring SystemBrass, Option: St.St.Measure range(psi,- 11.b..s1, 6k0gb/cm2...)-1...400bar (psi, 1bs, kg/cm2...)Connection ...