A perfect way to start a bicycle tool collection! A great combination of tools to help a home mechanic clean adjust maintain and do some basic repairs on their bike. The SK-4 includes more than 15 genuine Park Tool products that can perform dozens of tasks and includes a custom Park Tool toolbox with extra room for spare parts and more tools.Includes more than 15 genuine Park Tool products that can perform dozens of tasksTools are packaged in a custom Park Tool toolbox with extra room for spare parts and more tools