Product DescriptionThis tool allows the user to service valve cores without losing the systems charge. Mastercool's new unique design offers a patented locking device that holds the shaft in place while removing or installing the valve core. This remover/installer makes removal or insertion much easier.
Customer Reviews
Great tool MUCH cheaper than local.![]()
I needed a R134A tool and bought this in error, however; it still allowed me to change my valve stem. Since that time I have been able to help someone else do a R12 one. If I need R134A again I will definitely order it through this same vendor.
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