Feather Metal Design Stamp, 7mm Small Bird Feathers Punch Stamping Tool for Hand Stamped DIY Jewelry Crafts - Beaducation Original Metal Design Stamps Small Hip Feather Metal Design Stamp 7mm - Beaducation Original Design measures: 2.35mm wide by 7.25mm 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. Not for use on stainless steel.