Reamer locks onto screwdrivers, reams and smooths thin-wall conduit
Reams ID and OD at the same time
Two set-screws to fit round- or square-shank screwdrivers
Fits up to 3/8-Inch (10 mm) keystone-tip screwdrivers
Made in USA
NOT for use on power tools
Designed to be used on Electrical Metallic Tubing (EMT)