It is wash out base made from duralumin. The "ultra coat" of hard alumite was given to the surface. Long-term use does not come out of black juice, either, but it has been hard coming to wear out.
It is wash out base made from duralumin. The "ultra coat" of hard alumite was given to the surface. Long-term use does not come out of black juice, either, but it has been hard coming to wear out.