The versatile 1/4 in. (6.4mm) diameter Carving bit is made of high-grade steel for use on wood, plastic and soft metals. For use with all Dremel high-speed rotary tools, these high-speed cutters work well for detailed material removal in applications like shaping, carving, engraving, hollowing, precision cutting, grooving, slotting, inlaying, making tapered holes or freehand routing. The Ball shape of the Carving bit head can be used to make concave cuts or hollow-out material. The tip makes round-bottom slots and grooves and can be used for rounded side cuts.