To decorate the bookshelf with poplar wood. I would be skeptical of using them on hardwood. These are BIG bits and after cutting about 30 feet they seemed to dull and rip out the grain. In the end, I'll stick to my mantra: A sharp tool is a safe tool. Dull blades are more dangerous. Due to the fact that they are not branded and they are also BIG, MEAT, router bits I would only use them in a project or two before throwing them away. These are the types of cutters that can cause injury if the carbide breaks or if they catch on a knot and scratch your work piece. wear PPE.
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