Safe, efficient triangular shank and hexagonal shank deburring tools fit snugly into almost any kind of chuck drill. Six sharp shaving teeth safely and effectively cut bolts layer by layer without sparking or hurting your hands. Fast bolt repair. Both threaded and unthreaded stock can be used. High quality. The deburring external chamfering tool is made of high speed steel, which is extremely hard, heat resistant, durable, impact resistant, wear resistant, non-breakable, reusable without corrosion, deformation or rust. The deburring tool has strong cutting and repairing ability. Easy to use. When faced with a damaged or deformed bolt, you dont need to spend time and money looking for a hard-to-find or expensive replacement bolt. All you need to do is put the chamfering tool over the drill and apply gentle pressure at the lowest possible speed to remove the burr. Repairing a damaged bolt and tightening the nut in place simplifies the repair process and provides efficiency, especially when dealing with bolts that are not removable. Wide range of use. The compact size allows you to put the damage eliminating extractor in a tool bag and make a thermoforming tool that works effectively on stainless steel, hardened steel, mild steel, copper, brass, aluminum, fiberglass, wood, and plastic. Color: Silver Size: 28*51mm Delivery quantity: 1 piece