Valve Core Remover/Installer with Dual Size SAE 1/4 - 5/16

This valve core remover is practical AC service tool, and this valve core installer supports SAE 1/4 and 5/16 sizes. The valve core remover lets you replace core without releasing refrigerant, while this valve core installer ensures tight fitting for air‑conditioning pipelines. This AC valve core tool is built from solid brass for long‑term durability. The AC valve core tool comes with switch valve to control internal pressure during operation. This valve core remover suits garage repair and DIY maintenance; this valve core installer works for most vehicle AC systems. This handy AC valve core tool simplifies core replacement work and greatly improves your repair efficiency for air‑conditioning equipment.