New 10 Pieces Tungsten Carbide Rotary Burr SET 1/8'' Shank Fit Dremel Tools for DIY Woodworking, Carving, Engraving, Drilling 1/8" (3mm)shank fits dremel rotary tools Cutting edge diameter: 1/4'' (6mm), LARGER BURRS, get the job done, will not burn the wood Usage: for materials such as wood; plastic; soft metal as aluminum... Cutting burs are larger than normal ones which makes it easier to do the wood job. Larger cutters work quicker and bits of wood and wood chips will not get stuck.