The Tradespro adjustable 18 Inch Heavy-Duty Pipe Wrench is built strong for making quick work of your pipe finishing needs. It’s constructed of tough heat-treated drop forged steel with an I-beam handle for both strength and comfort in hand. An easily adjustable knurled nut allows jaws a smooth 3 1/8 inches of range, and the precision-machined teeth ensure a firm grip. Works on pipe diameters from 1/2 inch to 2 1/2 inches.