Features Tungsten Steel Material: This deburring chamfer tool is made of hard tungsten steel with high strength and hardness for durability and rust resistance. 3 tungsten steel cutting flutes have strong cutting and repairing capabilities for cleaner and more effective burr removal. Safe Use: The drill bit burr remover features smoothly and safe high speed operation with polished surfaces, ensuring comfortable and no worry use without hand injuries. Quick Repair Damaged Screws: Our thread burr remover tool is quick to repair damaged screws and tighten nuts. It is easy to repair screws, saving time and energy. Removal Tool Details: There are 2pcs drill bit burr remover in the package that in 3 to 20mm (1/8in to 4/5in), 5 to 25mm (1/5in to 1in) with a 1/4in hex shank. Widely Uses: This screw deburring chamfering tool is widely used for various materials, like stainless steel, iron, copper, carbon steel, plastic, aluminum, etc. Specification: Item Type: Drill Bit Burr Remover Material: Tungsten Steel Chamfer Tool Size: Approx. 3 to 20mm / 0.12 to 0.79in, Approx. 5 to 25mm / 0.20 to 1in Hex Shank Diameter: 1/4 inch How to Use: Connect to Power Tool packing list: 2 x Deburring Tool Package List 2 x Deburring Tool