L.E. Wilson DBT-REG 17-45 Caliber Hand Held Deburring Tool, Hardened Steel L.E. Wilson Inc. a family owned and operated business since 1927 and the original maker of the Handheld deburring tool Deburrs Inside and Outside of Case Mouth after trimming to length We still hand file sharp the female end of the tool Hand held tool Made In the U.S.A