Precise Valve Core Treatment Designed for efficient valve core adjustment with a tight fit, enabling controlled handling and minimal operational interruptions Performs reliably in cold conditions with reduced risk of loss or leakage Easy to Use Ergonomic handle prevents slipping during use on the go Spacesaving design optimized for tool storage and quick access Intuitive operation, suitable for onehanded use Seal Protection Maintains seal integrity through consistent pressure regulation during all disassembly steps Helps prevent leakage over time for durable performance Widely Compatible and Practical Compatible with common air conditioner models Supports routine maintenance and efficient module replacement Suitable for households, workshops, and service providers Ready to use in emergencies for quick troubleshooting Use scenarios Home HVAC maintenance: adjust valve cores during seasonal service to prevent leaks and ensure reliable operation Workshop module replacement: perform disassembly and reassembly with controlled pressure and reduced risk of seal damage Emergency troubleshooting: readytouse tool for onsite quick diagnostics and corrective actions in service calls