Straight and manual shut-off valves 0.64 cm male and female fittings. This coupler nut is deeply barreled for quick finger tightening. Ball valve design, quarter steering valve handle switch for controlling the refrigerator. The compact switch ball valve can be operated with one hand - screw into the charging hose end. Easy to install. A/C straight-open ball valve adapter for R134a R22 R12 R410a 1/4 HVAC, HVAC/r, A/C service technology hand tools. perfect for automotive air conditioning, mini-separators, capacitors, home air conditioning HVAC charging and recovery. The compact ball valve is made of high quality brass alloy. Meets SAE, EPA, and UL seal requirements for refrigerants. The maximum working pressure is 800 psi (55 bar) and the minimum burst pressure is 4000 psi (276 bar). Specifications: Type: Straight adapter with ball valve Thread: 0.64 cm male/female SAE Colour:Gold Material:copper Package Contents: 1 x red straight ball valve 1 x blue straight ball valve 1 x yellow straight ball valve Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.