Interested in reviews of EXTOL INDUSTRIAL Carbide cutter, cylindrical with ball face, diameter 12x25mm/foot 6mm, sec medium (? It got 4.7 out of 5 stars from our customers. Find specific customer reviews of EXTOL INDUSTRIAL Carbide cutter, cylindrical with ball face, diameter 12x25mm/foot 6mm, sec medium ( below. We will appreciate if you also share your experiences with EXTOL INDUSTRIAL Carbide cutter, cylindrical with ball face, diameter 12x25mm/foot 6mm, sec medium ( after purchasing.