The H.K. Porter 18-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. 18″ Industrial Grade Center Cut Cutter.