【MATERIAL】 Valve core remover installer tool is made of high quality solid brass. Durable and won't rust easily. The metal knobs are in anti-slip knurling design, which is stable and you can use them for a long time.
【EFFICIENT&EASY TO OPERATE】 The core tool makes it easy to insert it into the inner valve, so you can control the core, needn't stop the machine or release the refrigerant, you can remove and install the valve cores conveniently, save hours of evacuation and charging time.
【PROFESSIONAL ASSISTANT】For removing and installing valve cores in charged systems. Replace Leaking valve cores quickly and easily. Dual size to work on charge systems of R410a or R22 or other retrofit replacements systems.
【PACKAGE INCLUDE】1 x 1/4" and 5/16" Valve Core Remover Installer Tool,10 x 5V1Valve Cores, 1 x classic Valve Core Remover, suitable for various refrigeration equipment.