ORX PLUS TOOLS Deburring External Chamfer Tool, with HSS Blade, Deburring Drill Bit, Remove Burr Tools Quick Release Shank Fits for 1/8"-3/4"(3mm-19mm)Easy to work Attaching the deburring external chamfer tool to the end of your power drill, Use the lowest speed on the drill bit, and then slightly applying pressure to remove the burr. Cost Effective These deburring external chamfer tool can be used for repairing damaged bolt and tightening the nuts in place. You do not need to spend time and money to find hard to find or expensive replacement bolts. Safety Design Quickly repairs damaged bolts and