Features: Engineered with alloy, this rotary burr set delivers durability and wear resistance, ensuring efficient materials removal and extended tool life for demanding machining tasks. Featuring C type cylindrical heads with single/double cut flutes and a hardness rating of HRC70, these precisions grinding tools maintain sharpness edges through rigorous operations while producing superior surfaces finishes. Ideal for professional machinists, metalworkers, and DIYer enthusiasts across aerospace, automotive, and industrial sectors seeking deburring, shaping, and detailing solution. Perfect for intricate metalworking projects, mold polishing, and mechanical component refinement in workshops, garages, or manufacturing facilities, operating cleanly without generating hazardous dust particles. This versatile alloy burr set combines industrial grade construction with multi industry adaptability, making it essential toolkit upgrade for achieving professional precisions in metal, wood, and composite materials applications. Specifications: Component: Alloy Type:Single Cut,Double Cut Package Includes: 6pcs Rotary File Burr note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color of the item.