Thank you for visiting our ebay store! Feature:?Great for repairing damaged bolts and fasteners Hard steel could use lubricating oil to improve tool performance. ?Easy to useThis external deburring chamfer works by a way of shearing metal layer by layer. Using the lowest speed on the drill bit, and then slightly applying pressure to remove the burr. Safety conscientious design means no cut hands, no sparks, and no burns. ?Wide ApplicationEffective applied to hardened steel, mild steel, copper, brass, wood, fiberglass and hard plastic. ?Great Design & MaterialMade of High Speed Steel and it has a cutter ability. And the tool acquires many countries patent, such as Europe, U.S.A, Taiwan, etc. Specification:Material: High Speed SteelColor: Silver colorFits Size: Drill use 0-400 RPMs Fit 1/8′ (3mm) to 3/4′ (19mm) The package includes:1 x External Deburring Chamfer Tool *Special Reminding 1. ?ORX PLUS TOOLS ? is the only LEGAL SELLER for all “ORXPLUS TOOLS ” products. Any other counterfeit seller can not provide the same quality product and service. Please be careful not to buy counterfeit products. 2. When you ar chamfering process, please use the tool in a clockwise direction; otherwise, it will not work. 3.When you are chamfering process, two metals hit together and make some noisy. You can use lubricating oil to improve this condition. Also, It would be related with what speed do you use drill or else reasons. When you are using, having some question please feel free to contact us. – Feature- Great for repairing damaged bolts and fasteners Hard steel could use lubricating oil to improve tool performance – Easy to use- This external deburring chamfer works by a way of shearing metal layer by layer. Using the lowest speed on the drill bit, and then slightly applying pressure to remove the burr. Safety conscientious design means no cut hands, no sparks, and no burns. – Wide Application- Effective applied to hardened steel, mild steel, copper, brass, wood, fiberglass and hard plastic. – Fit size- Drill use 0-400 RPMs Fit 1/8′ (3mm) to 3/4′ (19mm) – Great Design & Material- Made of High Speed Steel and it has a cutter ability. And the tool acquires many countries patent, such as Europe, U.S.A, Taiwan, etc. P.S. “ORX PLUS TOOLS ” is the only LEGAL SELLER for all “ORXPLUS TOOLS ” products. Any other counterfeit seller can not provide the same quality product and service. Please be careful not to buy counterfeit products. – Fit size- Drill use 0-150 RPMs Fit 1/8′ (3mm) to 3/4′ (19mm)ORXPLUS TOOLS Deburring External Chamfer Tool, Deburring Drill Bit, Remove Burr