General description This External Deburring Chamfering Tool set includes 3 pieces designed for effectively removing countersinks and deburring various drill bits. Made from high-quality hard alloy, these tools offer high strength, hardness, and a long service life. Their unique design prioritizes safety, protecting your hands while preventing sparks or burns, and ensuring that your tools remain undamaged. Compact in size, they are easy to carry and store. Technical specifications Material: High-quality hard alloy Function: Removes burrs and repairs damaged screws Usage Use at the lowest drilling speed while applying pressure to effectively remove burrs. Ideal for stainless steel, hardened steel, mild steel, copper, brass, aluminum, fiberglass, wood, and plastic. Can also be utilized as a corkscrew.