4 Piece HEART SHAPED Disc Cutter Punch Tool Made from High Density Steel Cuts/Punches Perfect HEARTS In 4 Sizes Great for cutting soft metals for Jewelry Making, Charm Makers, Metalsmiths, Goldsmiths Sizes - 3/8" - 11 mm 5/8" - 16 mm 7/8" - 22 mm 1" - 25 mm Essential jeweler's tool for producing clean-cut discs in thin-gauge sheet metal