Jewelry Hardened Carbon Steel Disc Cutter Metal Set of 14 Pieces 3mm - 16mm. * This Jewelry Hardened Carbon Steel Disc Cutter Set of 14 Punches with Case. * This very useful tool cut disc sizes from : 3, 4.5, 5, 6, 7, 7.5, 8, 8.5, 10, 11, 12, 13, 14 & 16 millimeters in Gold, Silver, Brass, Copper and other soft metals. * You can cut your own disc, crescent moon shapes as well as, a variety of other shapes. * Make holes within your disc or make smaller circles inside..