gas pressure gauge 1 Case with rolling 2 Dial: 1.5" ... 4", 6" 3 Connection size: 1/8" 1/4" 3/8 1/2 gas pressure gauge1) Case: steel with bronze plate2) Dial ... 3.5", 4", 6"3) Connection size: 1/8", 1/4", 3/8", 1/2"4) Connection threads: NPT, BSP (G ... brass, stainless steeld) Dial and pointer: aluminume) Window: glass, polycarbonate7) Pressure range: vacuum, compound, 0 - 15psi - 10,000psi8) Accuracy: ±1 ...