【6 Ball Style Couplers】 - This r134a quick coupler design with 6 ball style, and have a snap lock coupler for quick connect. R134A high side 1/4’’ FL-M x 16 mm R134A (Red), and R134A low side 1/4’’FL-M x 13 mm coupler(Blue).
This product would be ideal for automotive repair shops and vehicle owners requiring a quick and efficient conversion from R12 to R134A refrigerant, particularly for high/low 1/4 inch fittings.