An old-time secret for removing dents or smoothing body work on hand fabricated panels. The serrated face works in two ways: 1. It shrinks the stretched metal, and highlights high/low spots that require hammer and dolly work. 2. When used as a slapping hammer, with a dolly, files shrink metal to remove high spots. The files can also be used to remove metal This is a Hare & Forbes special-order item, available to order through Alltools Geelong (order code F160) for collection in store.