Publisher: Wisscool. WISSCOOL Valve Core Remover Installer Tool with Dual Size SAE 1/4 and 5/16 Port Brass Adapter 3 Valve Cores, Schrader Valve Tool for R22 R32 R410A R134a, Schrader Valve Changer. Dual-Size Brass Adapter: Equipped with a high-quality brass adapter that fits both SAE 1/4” and 5/16” ports, allowing seamless switching between different AC systems.
