... be manufactured with customer's brand Stainless steel case, stainless steel roll ring,polycarbonate window,oil filled(glycerin or silicon oil),Diameter: 1.5", 2.0 ... /8", 1/4",1/2",3/8", NPT, BSPT, BSP,Pressure Range: 0-6000 psi,Scale: single scale or dual, psi ... , kpa, kg/cm2,Connection: low mount, back, left, right connection OIL FILLED ,STAINLESS STEEL CASE PRESSURE GAUGE