MIBRO Adjustable Circle Hole Cutter works just like an adjustable hole saw. Use it for cutting clean holes or making wheels from wood, composites, plastics, and soft metals, like sheet metal, brass, copper and aluminum. Cuts holes and wheels from 1 in. to 6 in. Dia. It’s an ideal tool for making clock faces, toy wheels, birdhouses and other projects – Great for woodworkers, model builders, hobbyists and clock makers.