... , stainless steel,plastic 3.Dial and pointer: aluminum Liquid-filled Pressure Gauge:(1)Diameter: 1-1/2", 2", 2-1/2 ... ", 4"(2)Case:304 stainless steel(3)Window: glass, polycarbonate.(4)Bounden tube ... " 1/4" 3/8" 1/2"NPT, BSP, BSPT(7)Pressure Range: 0-30Psi-10000Psi(8)Accuracy: 3-2-3% Stainless ...