The KB Extra Coarse Carbide Bit is a durable and efficient product designed for quickly removing nail product. The carbide material and XXC grit ensure fast and effective removal, while the compatibility with all standard e-files that hold a 3/32 inch shank bit makes it a versatile tool for e-file professionals. With the ability to rotate in both forward and reverse directions, it caters to both right and left-handed users. Not recommended for use on natural nail plates.