Valve Core Remover Installer Tool Kit, Dual Size 1/4" & 5/16" SAE Ports, Schrader Valve Removal Tool, Compatible with R22 R32 R410A R134a, Including Ratchet Wrench, 10 Pcs Valve Core, 5 Pcs Brass Nut

["【Durable Construction】: This valve core removal tool’s precision formed solid brass main body delivers stable performance even under high system pressure, with excellent corrosion and wear resistance for long-term use. The included hardened steel ratchet wrench resists stripping and slipping during operation, maintaining smooth and reliable performance for repeated daily repair work.","【Dual-Size Compatibility】: This valve core tool natively fits both 1/4\" and 5/16\" SAE service ports, the most common sizes for household and commercial AC systems. It works perfectly for home refrigeration equipment.(Not suitable for Automotive AC Systems)","【Zero Refrigerant Loss Design】: Replace valve cores without refrigerant evacuation — the HVAC Schrader valve tool eliminates the need for vacuuming and costly recharges. Its built-in ball valve and tight seal guarantee leak-free operation, compatible with R22, R32, R410A and R134a refrigerants.","【Quick & Easy Operation】: Complete a full valve core replacement in just minutes, no specialized training or professional expertise required. The ergonomic knurled grip provides a secure non-slip hold even when wearing work gloves, and the included ratchet wrench simplifies operation, making it ideal for both DIY homeowners and professional HVAC technicians.","【Package List】: This valve core remover kit includes 1× Valve Core Remover Installer Tool, 1× HVAC Ratchet Wrench, 1× Brass Adapter, 10× Schrader Valve Cores, and 5× Brass Nuts, covering all your routine repair needs."]