Item #: MSC58490. Features & Benefits: These tools allow the user to service valve cores without losing the systems charge This remover/installer kit makes removal or insertion much easier, especially on the larger R-134A valve cores Mastercool's new unique design offers a locking device (patent pending) that holds the shaft in place while removing or installing the valve core Less down time saves money All packaged in a plastic molded box The 58490 Universal R-12/R-I34A Master Kit includes: valve assembly, R-134A high side 16mm connector, R-134a low side 13mm connector, 1/4" FL swivel connector, standard valve core remover/installer assembly, GM large bore valve core remover/installer assembly, JRA R-134A valve core remover/installer assembly, Eaton R-134A low side valve core remover/installer assembly, Eaton R-134A high side valve core remover/installer assembly, Adapter 1/4"M x 3/16"F high side, GM/Ford adapter 1/4"M x 1/8"F high side all packaged in a plastic molded box. Customers also search for: Discount Universal A/C Valve Core Remover and Installer Kit R12 / R134a, Buy Universal A/C Valve Core Remover and Installer Kit R12 / R134a, Wholesale Universal A/C Valve Core Remover and Installer Kit R12 / R134a, 700376584905, ToolWeb, Valve Core Tools