Drop forged, precision ground, alloy tool steel jaws with center-cut blades; cuts soft, medium, or hard materials (maximum hardness of material: Brinell 455/Rockwell C48). Lockplate keeps jaws from loosening. Toggle joints turn 50 lb hand pressure to 4000 lb of cutting pressure. Screw-type adjustment realigns edges. Steel handles with rubber grips. Do not use cutter on energized circuits, wire, or cable.