RIDGID 31105 24" Aluminum Straight Pipe Wrench. 3" Pipe Capacity. 24" Aluminum Straight Pipe Wrench. 3" Pipe Capacity. RIDGID Pipe and Tubing Tools include the legendary RIDGID pipe wrench, the most complete and premier line of threading and roll grooving equipment, best-in-class pipe and tubing cutters, bending and forming tools, and a variety of other pipe-working tools and accessories. RIDGID Pipe and Tubing Tools perform the same every time, job after job, under the toughest conditions. Straight pipe wrench features professional strength in lightweight aluminum. Offers the same durability and ease-of-use found in all RIDGID heavy-duty wrenches.