Our heavy duty shrinker stretcher with a max capacity of 16 gauge mild steel & 14 gauge aluminium is ideal for more serious projects. The foot pedal operation leaves the operators hands free to handle the panel they are trying to shape, while the 8" throat makes this machine suitable for any professional metal worker. Comes complete with both shrinking & stretching jaws, & a shelf on the stand to keep the alternate set from getting lost. * Colour might be different with the picture.* Read " How Do I Use the Shrinking / Stretching Machine? " & " 10 MUST-HAVE Restoration Tools " from Technical Article.