For improving knot-holes, making tenons, or special length plugs. The tenon cutters have an excess of 0,1 mm to permit the exact seating of the knot-hole dowels.
DIN 7489, peripheral cutter, multi-cutting, cylindrical shank. Available in special steel. On request in HS and TCT, with special lengths for specimen and shanks like morse cone and inner thread. Up to 32mm: Shank 13x50mm. From 33mm: Schank 16x50mm.