Robinairs No. 42260 2-Way Manifold Digital Gauge Set is constructed with a solid aluminum main body for the added durability necessary for repeated, tough daily use. Feature packed digital gauges include profiles for 17 common refrigerants, detect vacuum in Hg, selectable temperature and pressure units of measure, an easy to read LCD screen, auto shut down after 15 minutes of inactivity, and low battery indicator. Low-side gauge has a pressure scale of 30in Hg VAC to 250 PSI and the high side gauge has a pressure scale of 0 to 800 PSI. Contoured easy to grip hand wheels are color coded for quick and easy identification. Improved face seal valves feature a better design that provides a tighter seal, less wear and improved flow. Hoses not included but available separately. For use with the following refrigerants: R-12, R-22, R-123, R-124, R-134a, R-401A, R-401B, R-402A, R-402B, R-404A, R-407C, R-408A, R-409A, R-410A, R-502, R-507, and R-508B. Robinair, a Bosch Automotive Service Solutions brand, is a global leader in service tools and equipment based in Owatonna, Minnesota. Robinair is recognized throughout the world as the quality and performance leader in AC/R evacuation tools and this position has led to its success with the full range of products that serve the heating/ventilating/air conditioning/refrigeration (HVAC-R) and mobile markets, which includes the automotive aftermarket along with other industries such as agriculture and construction.