- Professional Assistant: Designed for efficiently removing and installing valve cores in HVAC systems, this tool is essential for quickly replacing leaking valve cores. - Dual Size Compatibility: Features a dual-sized design for 1/4" and 5/16" SAE valve cores, making it versatile for various refrigerants including R410, R22, R12, R407, and R32. Note: Not suitable for automotive AC systems. - Durable Design: Constructed with metal buttons and a slip-resistant design, this tool is built for reliability and ease of use during maintenance tasks. - Convenient Adapters: Includes an R410A to R32 adapter (1/4" male SAE to 5/16" female SAE) that is perfect for everyday applications, enhancing the tool's utility. - Complete Kit: The package contains 1 valve core removal and installation tool, 1 R410 R32 brass adapter, 10 5v1 valve cores, and 1 classic valve core remover, providing everything needed for efficient repair work. Use Scenarios: 1. Routine HVAC Maintenance: Quickly change out leaking valve cores during regular HVAC maintenance checks, ensuring optimal system performance. 2. Refrigerant Charging: Use the tool to install new valve cores when recharging refrigerants, preventing leaks and enhancing system efficiency. 3. Emergency Repairs: Ideal for on-the-spot repairs in both residential and commercial HVAC systems, allowing technicians to address issues without delay. This tool is the reliable solution for all your HVAC valve core needs, ensuring efficient and effective repairs.