4 Piece JUMBO OVAL SHAPED Disc Cutter Punch Tool Professional Quality High Density Steel Disc Cutter Cuts/Punches Perfect OVALS In 4 Sizes Great for cutting soft metals such as Gold, Silver and Copper Sizes - 13x18mm, 16x21mm, 19x24mm, 22x30mm Essential jeweler's tool for producing clean-cut discs in thin-gauge sheet metal