This tool cleans all hard to reach gasket surfaces One of the primary uses would be to clean the thermostat gasket in Dodge trucks Able to reach isolated locations the are very difficult to access by conventional means Use the tool with a die grinder to quickly clean off the gasket surface It also works for cleaning up oil pans, water pumps and other inaccessible applications The abrasive pads are replaceable The tool is quipped with a floating guide shaft so the operator can easily steer the abrasive pad around the gasket surface