Smart 400 is the wheel to polish the arris after the diamond wheel. Available in different diameters, thicknesses and bores, with plastic and/or aluminium plate.
Smart 280 is the wheel used to create the arris without the diamond wheel. Available in different diameters, thicknesses and bores, with plastic and/or aluminium plate, for all the most common straight-line and double-edger machines in the market.