Chamfer Kit Thread Fillet Burr Remove Tools Crew Bolt Trimming Deburring Tool Hexagon Plug 5-25mm 3-20mm Tungsten Steel Blades Features: 100% new and high quality. This Deburring External Chamfer Tool quickly repairs damaged bolts and tightens the nuts in place, saving you time and money. The tool simplifies the repair process, can reduce repair time, and eliminates the need to replace expensive or hard-to-find hardware while maintaining safety at levels previously unattainable. Simple design and a compact size, means the tool is easily carried in your tool pouch. Quickly slap it into your hand drill and start repairing work pieces. The operation is simple, using the lowest speed on the drill bit, and then slightly applying pressure to remove the burr. Save an immeasurable amount of time and money by not replacing expensive and hard to find fasteners. Especially when dealing with fixed bolts. Effective on: Stainless Steel / Hardened Steel / Mild Steel / Copper / Brass / Aluminum / Fiberglass / Wood / Plastic. Proper Use:This tool works by way of shearing metal layer by layer.Slow speed, along with no unnecessary cutting and the use of cutting oil or another lubricant will bring it long life. Specification: Product Name: Crew Bolt Trimming Deburring Tool Material: Tungsten Steel, Color: Black Size: 5-25mm,3-20mm Hexagon Plug Diameter:6.35mm Application: for electric drills,bench drills and so on. Due to manual measurement and light shooting,pls allow 1-3cm size error and a little color difference. Packaging includes: 1x Crew Bolt Trimming Tool _x000D_ _x000D_