Our tungsten carbide burr with a 3mm (1/8″) anti-rust shank is often used on wood, glass, plastic, and stone sculpture. The various shapes of our carbide rotary files perform an excellent job of carving and engraving. The hardness and durability of solid tungsten carbide burrs guarantee the consistency of the project results. The sharpness of tungsten carbide burr bits ensures that all the details are perfectly finished. Our 3mm (1/8″) carbide rotary burrs work on most hobbyist rotary tool brands like Dremel, Wen and Tacklife.