Mastercool 91490 Standard Valve Core Remover / Installer

Mastercool 91490 Standard Valve Core Remover / InstallerSturdy ball valve design controls refrigerant flow with 1/4 turn of the valve leverLever position also gives visual indication of whether valve is opened or closedThis 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.