Durable material: valve core remover tools are made of brass, won't rust easily and which is durable, can use long time.
Easy to install: The valve core remover installer tool core grabber makes it easy to insert it into the inner valve, to control the core. No need to stop the machine or to release the refrigerant. can remove valve cores conveniently install.
Non-Slip Design: the metal knobs are in design anti-slip, increase hand friction, make it easy for you to use.
Wide Application: the dual size size 1/4 and 5/16 Suitable for home refrigeration equipment, can be adapted to R22/ R134A/ R410/ R32/ R12 air-condition system, etc.
Package Included: 1 piece of R134A valve core remover, 20* Valve Cores and 10* brass nuts.