The H.K. Porter 24-inch industrial grade bolt cutter is perfect for general use industrial jobs and plant maintenance work. Its center-cut blades have slightly rounded cutting edges that are beveled on both sides, which broadens the variety of cutting uses for this tool. The unique toggle joint design of the handles turns 50 lbs. of hand pressure into 4000 lbs. of cutting force. Drop-forged precision ground, alloy tool steel jaws with center-cut blades, Cut materials up to Brinell 455 or Rockwell C48 of hardness, Lock plate keeps jaws from loosening, Toggle joints turn 50 lbs. hand pressure to 4000 lbs. of cutting pressure, Screw-type adjustment realigns edges.