Easy Installation: The solid brass tool features a ball valve that opens and closes with just a quarter turn, Help minimize gas loss. Replace leaking valve cores quickly and easily without losing refrigerant during removal or installation. Anti Slip Design: The valve core removal tool metal knob features a knurled anti-slip design for enhanced grip, preventing slippage even on tightly secured valves. Made of solid brass, the tool is rust- and built for long lasting durability. Upgraded Eco Friendly Valve Cores: The valve core tool directly inserts into the valve core, allowing for installation or removal without shutting down or releasing refrigerant, ensuring a more efficient and refrigerant-saving process. Wide Compatibility: Valve tool designed for household refrigeration systems, its dual size ports (SAE 1/4inch and 5/16inch) are compatible with AC systems, including R22, R12, R407, R410, R404, and R32 refrigerants. Color: Yellow Material: Brass Package Contents: 1x Valve core remover 1x Brass adapter 20x Valve cores Only the above package content, other products are not included. Note: Light reflection 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.