WireJewelry 18 Gauge 0.040 Dead Soft Copper Sheet Metal - 6x6 Inch Sheet Size: 6 x 6 inch Thickness: 18 Gauge, 0.040 Material: Copper (99.9% Pure Copper) Hardness: Dead Soft Jeweler Quality Solid Metal Sheet. Great for Texturing, Stamping & Metal Work. Made in USA.