Cutting Capacity: 1/8" To 1-1/8"X-CEL Knob Cuts Tubing Or Conduit Quickly And Easily With A Larger, More Ergonomic DesignFeatures A Convenient Fold-Away Reamer, Enclosed Feed Screw To Eliminate Clogging And Jamming, And Grooved Rollers For Close-To-Flare CutsFor Use On Copper, Brass, Aluminum Tubing And Thin-Wall ConduitComes With Spare Cutter WheelUses Ridgid Replacement Wheel #RID33185 (E-3469)