manifold gauge set Refrigerant R12/404/407/134a Good quality, best service Aluminum manifold gauge setrefrigerants R12/404/407/134a Aluminum block bodyTwo hand wheelsRefrigerants, All refrigerants available, max 4 different refrigerants in each gauge Pressure, Psl, Bar, Kg/cm3, mmHg, max 2 units in each gauge Hose 36', 60', 72'; 500-2500Psi, 600-3000Psi, 800-4000Psi