Steel Dragon Tools 24" Aluminum Straight Pipe Wrench Fits RIDGID 31105 Model 824, 3" Capacity Straight pipe wrench has a 3-inch pipe capacity, allowing it to be used for a variety plumbing applications. Bottom jaws is replaceable, reducing cost and increasing tool life. I-beam frame helps keep the tool from weighing down the operators hand without sacrificing overall durability. Aluminum construction is nearly 40% lighter than comparable cast-iron wrenches. Weight: 5.2 lbs.