Lindstrom 80 Series Cutters. These cutters offer upsurpassed cutting capacity covering a wide range of applications. Adjustable precision screw joint minimizes friction and maximizes alignment of cutting edges. Forged from high-grade steel which provides incredible impact resistance and resiliency. Precision induction hardened allowing a rockwell hardness of 63-65 which ranks among the highest of any cutters made. Double- leaf springs with textured surface non- slip handles.