PENSON & CO. 3Pcs Color coded R410A Straight Ball Valves For AC Freon Charging Hoses Brass Length: 2.56"; Diameter/ circumference: 1/4"; Weight: 2.26oz x3 Material: Brass; Color: Gold + Red/Blue/Yellow Approved for R410A refrigerant; Designed for standard 1/4" SAE refrigerant charging hoses HVAC, HVAC/r, A/C manifold accessories Red+ Blue: 1/4"Male SAE on one end and 5/16" Female SAE with valve core depressor on other end; Yellow: 1/4"Male SAE on one end and 1/4" Female SAE with valve core depressor on other end