JET 30" Black Head Center-Cut Bolt Cutter is specially designed to produce superior cutting force. The high-carbon alloy tool steel jaws are ideally suited to cutting rebar, medium tensile and soft bolts, rods, rivets, bars and chains with a maximum hardness of HRC-40. Designed with safety in mind, these bolt cutters exceed Federal Specifications and are sure to give you the quality and performance you've come to expect from JET