RIDGID 57018 Model C15/22 mm C-Style Close Quarters Copper Tubing Cutter Capacity, 15-22mmModel C15 22 is the worlds first size dedicated C Style cutter to cut both 15 and 22 mm copper tubing with the unique quick size change feature Spring loaded cutter wheel provides a constant pressure on pipe providing fast and straight cuts every time RIDGIDs X CEL Wheel Pin for quick wheel replacement. No tools or disassembly of the housing required Snap on feature for a quick pipe connection and no size adjustment, saving valuable time Unique