Robert Sorby Slim Fluted Parting Tool (832H)Robert Sorby Slim Fluted Parting Tool This features a radically new and unique cutting profile with a blade profile of only 2mm. The long bevel has a flute which is the cutting face. The small bevel is the sharpening face. When parting off this unique arrangement causes the tip to always cut at a shear cutting angle of 45, producing a finish without equal from a parting tool, virtually eliminating the need for sanding.