Carbide Burrs Set 4pcs1/4 Inch Shank Diameter Aluminum Rotary Files Single Cutting Edge for Die Grinder Drilling Bits Metal Carving Engraving$$Tools

Suitable for cutting aluminum, non-ferrous materials. Carbide rotary burrs are made of solid tungsten carbide, sharp and durable. Single cutting with 1/4 inch shank diameter. Include 4 head types burrs: SA-3NF, SC-3NF, SD-3NF, SF-3NF. Packaging with a plastic case.