Beaducation Baby Feet Heart Metal Design Stamp, 9.25mm Baby Shower Announcement Punch Stamping Tool Hand Stamped DIY Jewelry Crafts Original Metal Design Stamps Baby Feet with Heart Metal Design Stamp- Beaducation Original Design measures: 9.25mm wide by 7.5mm high. Made from 3/8 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.