Digital Manifold Gauge Set, Number of Valves 2, Multiple Refrigerants, Number of Hoses 0, 0 to 870 psi, 0 to 870 psi, +/-1.00 Percent, 3/8 In., Aluminum, Programmed with 80 Plus Refrigerants, Heavy Duty Type K Thermal Couplers, Calculates Superheat and Sub Cool Simultaneously