Ridgid Cast-Iron Straight Pipe Wrench, 6" Tool Length, 3/4" Jaw Capacity: * Heavy-duty design provides maximum durability and professional-grade reliability * Full-floating hook jaw adjusts smoothly * Self-cleaning threads minimize the potential for tool failure * Hook and heel may be easily replaced * Wrench Type: Pipe * SAE/Metric: SAE, Metric * Opening Size(s): 3/4" * 20mm * Opening Type: Adjustable