Want to extend the versatility of your dermal tool. Simply add one of our many Dremel accessories, from sanding drums to router bits to diamond cutting wheels. The Dremel 7134 5/16 in. Taper Diamond Wheel Point is for fine detail work, cutting, engraving, carving, touch-up and finishing. Use on wood, jade, ceramic, glass, hardened steel, semi-precious stones and other hard materials. Bits are covered with diamond particles.