Pressure Gauge, Pressure, 2-1/2 In., 30 In. Hg Vac to 0, Connection Size 1/4 In. FNPT, Connection Location Bottom, Smallest Graduation 0.5 In. Hg, Graduations 5 In. hg, Accuracy 1.6 Percent, Case Material 304 Stainless Steel, Case Color Silver, Socket...