Ratchet tube cutter for 1/8'' to 2-5/8'' OD. For tubes made from copper, aluminum, brass, thin-walled steel, and plastic coated tubes. This tube cutter features a retractable internal deburrer blade and spare cutter wheel in the handle. The ratchet telescopic guide with automatic spring-driven withdrawal allows for quick adjustment and fast opening. For replacement deburring blade use RT21652B. For replacement cutting wheel use RT70057D.