Lindstrom 80 Series Micro Bevel Small Head Oval Cutter, 110mm Length, 0.8mm Tip Width, 0.2 - 1.25mm Cutting Capacity Lindstrom 8140 Oval Head Micro Bevel Cutters Forged from high-performance alloy steel which provides incredible impact resistance and resiliency. Numerically controlled machine grinding guarantees edge angle accuracy and contact, increasing the tools reliability and consistency. Precision induction hardened edges 63-65 HRC, which ranks among the highest of any cutters made. Screw joint that minimizes friction and maximizes alignment of cutting edges Cutters are treated and finished in Black.