Art.1529 – “BOREAL Professionale” TERMOCROMATICA: medium thermic roller hair brush, inside diameter 52 mm, 72 mm diameter including fibres. Roller coated with ceramic resin to spread the heat evenly. The black band in the center of the roller acts as a heat indicator. When it begins to discolour to white, it means that the roller has reached high temperatures. It comes with a leaflet with instruction for use and care of the brush. Plastic hanger for display.