RIDGID 31010 Model 10 Heavy-Duty Straight Pipe Wrench, 10-inch Plumbing Wrench - Made in USA Sturdy ductile-iron housing and I-beam handle for ultimate strength and durability The full floating forged hook jaw allows for superior gripping and quick adjustments Plumbing wrench features self-cleaning threads with easily replaceable hook jaw, heel jaw and spring assembly Heavy-duty RIDGID pipe wrenches comply with federal specifications GGG-W65IE, Type all, Class A 10-inch (250 mm) pipe wrenches are ideal for pipe diameters of 1/4 inch (6 mm) to 1 inch (25 mm) with a pipe capacity of up to 1-1/2 inches (40 mm)