These economical and fun Makin's pattern cutters are especially well suited for metal clay projects. Each set includes 3 cutters in varied sizes. Great for quick and easy cutting and combining layered designs. As with all tools make sure to lubricate cutter before using it on clay. In general it is best to have independent sets for different base metal types of metal clays to prevent cross contamination. Large flower cutter= about 40mm across Medium flower cutter = about 30mm across Small flower cutter = about 20mm across