Adjustable bearing race and seal tool uses a unique cam design allowing it to adjust to an enourmously vast range of bearing and seal diameters. Simply rotate the knurled collar on the neck of the unit and the aluminum installer surface will open close easily adjusting to the exact diameter needed for your application, elimating the need for seperate drivers and components. Kit comes complete with adjustable installer for bearing races and seals. Kit includes heavy duty carry case with usage photos and detailed instructions. Product Features:Used for a variety of automotive applicationsDual purpose installation systemNo additional adapters requiredIncludes heavy duty blow molded caseKit includes usage instruction with photos