Ridgid 31000 6" Pipe Wrench, Red Sturdy, ductile-iron housing and I-beam handle for superior strength and durability Designed with a full floating forged hook jaw 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 wrench complies with federal specifications GGG-W65IE, Type all, Class A 6-inch (150 mm) pipe wrenches are ideal for pipe diameters of 1/8 inch (3 mm) to 1/2 inch (13 mm) with a pipe capacity of up to 3/4 inches (20 mm)