High Quality Material: The Deburring External Chamfering Tool Is Made Of High Quality Cr12Mov Steel, Features Strong Strength, High Hardness And Long Service Life. Simplifies The Repair Process And Expensive Material Costs.Efficient Writings: This External Deburring Chamfering Tool Allows You To Quickly Repair Damaged Bolts And Tighten Nuts, Saving Time And Effort. Silver. The Tool Simplifies The Repair Process, Can Reduce Repair Times, And Eliminates The Need To Replace Expensive Or Hard-To-Find Hardware, Maintaining Security At Previously Unattainable Levels.Safe Design: Conscious Design Safety Can Protect Your Hands, No Spark And Cause Burns And Damage The Tool. Due To The Compact Size, The Tool Can Easily Be Carried Around In The Kit.Easy To Use: Operation Is Simple, Using The Lowest Speed On The Bit Tip And Applying Light Pressure To Remove Burr.Wide Application: Very Useful For Removing Burrs And Tubular Edges Or Threaded Rods, Quickly Repairing Damaged Screws And Pulling On Stainless Steel, Hardened Steel, Mild Steel, Copper, Brass, Aluminum, Fiberglass, Wood And Plastic Nuts. It Can Also Be Used As A Bottle Opener.