Designed for standard 1/4 inch refrigerant charging hoses Approved for R410A refrigerant The hoses rated at 4000 burst / 800 Max. working pressure Brass body with 4 inch charging hose Valves are color coded on knobs 1-Red, 1-Blue & 1-Yellow 1-Red: 1/4 inch Male on one end and 5/16 inch Female with valve core depressor on other end 1-Blue: 1/4 inch Male on one end and 5/16 inch Female with valve core depressor on other end 1-Yellow: 1/4 inch Male on one end and 1/4 inch Female with valve core depressor on other end HVAC, HVAC/r, A/C service hand tools colour:Red + yellow + blue Material:Plastic + metal size:Length: 190mm Package Contents: 3 x Charging Hoses Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real . The measurement allowed is +/- 1-3cm.