Ream 1/2-Inch (13 mm), 3/4-Inch (19 mm) and 1-Inch (25 mm) conduit and install fittings in a fraction of the time. Reduce time on projects with large quantities of conduit runs. Designed to fit into power drill chucks and quick release adapters. Improved bit retention. Includes precision engineered replaceable reaming blade. Replacement blades (SKU #19353) are available and the only approved blade for use in Klein's tool.