I needed dowels to close the screw holes on the composite plank. The flooring of the brand I was using was unavailable for six weeks. So I took some scraps of the composite, trimmed them to about 1/4 inch thick, and then made 300 caps with the little cap cutter from the kit. There are actually two types of cookie cutters of each size - each has a different way of accomplishing the same goal. You can choose the one that suits you best.