Gummy stone - fine grain - lenght 70 mm. - cleaning of metal burr.

MP0002: Natural stone - fine grain - lenght 90 mm. - super finishing.
MP0003: Pietra naturale - grana media - lunghezza 90 mm. - prima finitura.

Arkansas natural stone - extra fine grain - lenght 90 mm. - smoothing.

Alu Oxide stone - medium grain - lenght 140mm. - high removal.