The chisel can definitely drill through the support very well. But when it comes time to get it out of the hole you just made, it can be a little tricky if you don't know how. So basically it needs to have a long flute length so that the wood chips can continue to be ejected as the chisel moves down the auger. The length of the flute is a little short so it no longer ejects wood chips, making it difficult to pull the cutter back when you're done building. But you can easily figure out how to…