Built To Stand The Test Of Time, Ridgid Heavy-Duty Straight Pipe Wrenches Are Sturdy Plumbing Wrenches Constructed With Ductile-Iron Housings And I-Beam Handles For Superior Strength And Longevity. Designed For Ease Of Use, They Feature Adjustable Full-Floating Forged Hook Jaws With Self-Cleaning Threads And Easily Replaceable Spring Assembly, Hook Jaw And Heel Jaw. Suitable For All Forms Of Pipe Work, These Ridgid Pipe Wrenches Come In A Standout Red Color That Is Easy To Find In Your Toolbox. This 8 Inch Heavy Duty Straight Wrench Is Suitable For All Kinds Of Pipe Work On Pipe Diameters Of 1/4 Inch (6 Mm) To 3/4 Inch (20 Mm) With A Pipe Capacity Of Up To 1 Inch (25 Mm) .