Detailed Product Description Dial4.5"(110mm),6"(150mm),8"(200mm)CaseAluminum,anodized goldLiquid FillingOrganic Liquid (Red / Blue)StemBrass / st/stSwivel NutBrass / st/stConnection1/2" BSP / NPTRange -40-110F/C,20/180F/C,30-240F/C, 30-300F/C,50-400F/CAccuracy±2%