All burrs with a 2.5 mm shank - compatible with most die grinders or rotary tools
Contains 3 set of diamond burr sets,each set have 30pc variety of bits with different size
Perfect Jewelry Design Necklaces Earrings, Pendants, Bracelets with Sea Shells, Beach Glass, Rocks
Experience needed, you may break few bits during practice. Use with water - do not run dry.
Medium grits perfect for carving , sanding, etching and more