Usage Tips: Quick cool gas adjustable joint Includes high and low side coupler Valve core puller is adjustable to fit different valve cores Ideal for replacing valve cores without unloading or recovering the system Internal ball valve retains charge and allows access to automatic A/C systems Use: Wear gloves and goggles before proceeding. Follow steps below to replace the valve core: 1. Unscrew the low-side (or high-side if applicable) port cover 2. Connect the valve removal tool 3. Insert the extractor 4. Loosen the old valve core 5. Pull the valve core up 6. Remove the valve core 7. The valve core is now removed 8. Place new valve core onto the stem 9. Install the valve core 10. Reattach the protective cover to the low-side port Red indicates high side, blue indicates low side Extractor valve core is adjustable to fit various valve core types Suitable for valve core replacement without discharging or recovering refrigerant Note: Product design may vary slightly between batches. Actual product may have minor differences in color or appearance, which do not affect functionality Color: As shown in photo Material: Metal Package Contents: 1 x Valve Core Remover Tool Set Contents limited to items listed above; other products not included Lighting and display settings may cause slight color variations between image and actual item Measurement tolerance: +/- 1-3 cm