Mechanical Manifold Gauge Set Number of Valves 2 R-22 R-404A R-407C R-410A Number of Hoses 3 72 in 30 in Hg to 800 psi 30 in Hg to 600 psi Brass With 3 1/8 in Diameter High and Low Side Dry Gauges Piston Style Valves Includes 1/4 in SAE/Female Hoses Blind Ports On Manifold For Hoses When Not In Use Hook