steel and sturdy for you to use, and not easy to break, nice cutting power and Used for wood,furniture carving, antique floor carving, toys,figures,animals and other sculpture works.Professional engraving, amateur, students can use.Even if the fingers press the will not dae the cutting fingers Just install it like any other typical drill bit and bring you much convenience 10 pieces wood carving and engraving drill accessories, which are enough for you to use, and help you to make kinds of without breaking the wood, get a nice and smooth finished craft effect These burrs are intended for faster wood removal, you can easily work with woods more faster while leaving a smoother finish, Manufacturer: XIAOQENAN