Auniwaig Rotary Files,3mm Double Cut Top,Toothed Cylindrical Shape Rotary Burrs Tool for Die Grinder Drill Bit Wood Soft Metal Carving Polishing 2PCS

【Double Cut Design】-The lines are crossed; Double groove rotary files are more suitable for the object density is relatively low;such as Wood; Plastic; Aluminum 】【Versatile Use】- Widely used for metalwork; tool making; model engineering; wood carving; jewelry making;welding; chamfering; casting, deburring; grinding, sculpting 】【Long Working Life】- Made of heat-treated YG8-tungsten carbide that hardness can reach up to above HRA85; sharp and sturdy; long service life