Recommended for the most demanding hand cutting applications. Heavy-duty straps support the jaws. Maximum hardness of material to be cut: Brinell 455/Rockwell C48. Lockplate keeps jaws from loosening. Toggle joints turn 50 lb hand pressure to 4000 lb cutting pressure. Screw-type adjustment realigns edges. Available with tubular steel or lightweight, fiberglass handles. Replacement cutterhead: 0113C.