Beaducation Flourish Corner Border Metal Design Stamp, 9mm Decorative Embellishment Punch Stamping Tool Hand Stamped DIY Jewelry Crafts Original Metal Design Stamps Spiral Bracket Design Stamp-Beaducation Original Design measures 9mm x 9mm Made from 1/2" square heat-treated tool steel. Beaducation Original Design. Made in the USA. Made to stamp on typical jewelry making soft metals, such as sterling, gold filled, copper, brass, pewter etc. Do not use on stainless steel.