NQN Valve Core Remover Installer Tool: Dual Size SAE 1/4 & 5/16, 25 PCS Valve Cores, Teflon Seal, 10 PCS Brass Nuts - HVAC R22 R134A R12 R407 R410 R404 R32 R600 A/C Compatible Review

【NQN Upgraded Valve Core Remover Installer Tool】This Valve Core Remover Installer Tool design for removing and installing valve cores in charged systems. 1.Our valve cores to solid brass, longer service life than ordinary valve cores, strong resistance to fluorine, stronger heat. 2.Add sealing O-ring to the brass nut, make it have better sealing performance, and more valve cores can be given to get longer protection. 【High Quality Material】The valve core remover installer tool is made of solid brass and the metal knobs with anti-slip knurling design, which is durable, anti-rust that you can use them for a long time. The Sealing O ring is made of high-quality rubber with air tightness, let it have better sealing and longer service life. 【Easy to Install】This valve core remover installer tool’s core grabber tool makes it be easily inserted into the inner valve core to control the core. Replace leaking valve cores quickly and easily, remove and install valve cores without the loss of refrigerant. 【Compatibility】This Valve Core Remover Installer Tool with dual size( SAE 1/4'' & 5/16'' Port ), compatible for all refrigeration equipment. SAE 1/4'' Port suitable for R22, R12, R134, R404, R407, R600 etc A/C air condition system, and SAE 5/16''Port suitable for R410, R32 etc A/C air condition system. There is design with external bypass port, which can remove the valve cores easily. 【Packaging & One Year 100% - Satisfaction Guarantee】The kit includes: 1* Valve Core Remover+ 1 *R410 R32 Brass Adapter +25* Valve Cores+ 10* Brass Nuts with 10* Sealing O Ring. If you're not satisfied with this item at anytime within two year of purchase, we'll provide a refund or replacement.