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.