US Patent 10112294 System having at least two oscillation insert tools

The disclosure relates to a system having at least one first oscillation insert tool that is configured to be effectively coupled to an oscillation hand power tool, and at least one second oscillation insert tool that differs from the first oscillation insert tool and is configured to be effectively coupled to the oscillation hand power tool as an alternative to the first oscillation insert tool. At least one of the at least two oscillation insert tools comprises at least one compensating unit for at least substantially adapting a mass moment of inertia of the at least one oscillation insert tool to a mass moment of inertia of the at least one second oscillation tool.