The H.K. Porter 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 broaden the variety of cutting applications this tool can be used for. The unique toggle joint design of the handles is capable of turning 50 lbs. of hand pressure into 4000 lbs. of cutting force. Proudly made in the USA Drop-forged precision ground alloy tool steel jaws with center-cut blades Cuts soft, medium, or hard materials Maximum hardness of material to be cut: Brinell 455/Rockwell C48 Lock plate keeps jaws from loosening Screw-type adjustment realigns edges Steel handles with rubber grips Never use any H.K. Porter cutters on energized circuits, wire, or cable Model Weight Handle Length Cuts soft/medium materials up to Cuts hard materials up to 0190MC 6.45lb 24" 7/16" 5/16" 0290MC 10.15lb 30" 1/2" 3/8" 0390MC 16.05lb 36" 9/16" 7/16"