Product Description RSTM-TIP4 French Curve/Inside HSS Cutter High speed steel French Curve/Inside cutter. This super fine grain structure will provide a razor sharp edge. The result is a superior finish to your turning projects and less need for sanding. Can easily be sharpened on traditional sharpening machines such as the Robert Sorby ProEdge or bench grinders. Sharpens to 0.2 - 0.4 microns. Hardness 62RC. Material M2 HSS. Better used for internal shaping and finishing.
