These bits are specially made for precise or small jewelry making, necklaces, earrings, pendants, bracelets, seashells and etc. It is also suitable for drilling rocks, ceramic, porcelain or gemstones. It comes in a plastic case with 30 different bits for different usage. Suitable to be used with hand drills, flex shafts, and Dremels. Use with water – do not run dry.
Package Includes: 30pcs assorted drill bits