HCPRO Products is an innovative manufacturer of professional high-Quality HVAC Tools designed and assembled in the USA. Our A/C Manifolds are built to a very high standard following very close quality control. We offer a heavy duty forged brass body with a no-leak neoprene O-ring system. 80mm gauges come standard in all our manifolds, for easy read and more accurate calibration with heavy duty shock proof rubber covers. Easy grip hex handles to make our manifold comfortable and precise. We offer a variety of charging hose sets that give you the option to configure depending on the job requirements Standard, ball valve and anti-blow back. Our hoses are rated 4000 PSI burst, 800 PSI working Pressure Premium Barrier Hoses SAE J2196 / SAE J2888. BUILT TO LAST!