Robinairs No. 13145 Valve Core Remover for standard valve cores features deep knurling for a positive grip that enables quick removal. Rugged brass construction withstands repeated use. Includes six replacement valve cores. Valve cores store in the tool’s 2-piece body. Robinair, a Bosch Automotive Service Solutions brand, is a global leader in service tools and equipment based in Owatonna, Minnesota. Robinair is recognized throughout the world as the quality and performance leader in AC/R evacuation tools and this position has led to its success with the full range of products that serve the heating/ventilating/air conditioning/refrigeration (HVAC-R) and mobile markets, which includes the automotive aftermarket along with other industries such as agriculture and construction.