RIDGID Pipe wrenches are known worldwide for their unsurpassed resilience and functionality. The RIDGID pipe wrench has earned the trust of professionals for over 90 years because it does the jobs right from the start and every time. RIDGID pipe wrenches are available in a variety of configurations. RIDGID # 31700 is a replacement lower jaw with pin for 600 mm (24 inch) pipe wrench and fits both cast and aluminium versions.