1x1 Inch Heart with heart hole soft strike pewter stamping blank 16 gauge with hole. Make a great first impression with Soft Strike Stamping Blanks. Impress every detail of the most intricate metal stamp with just one tap. Use these stamping blanks to make personalized jewelry, dog tags and crafts with metal stamps, texturing hammers, doming blocks, paint and more. Use a permanent marker to fill in your designs and clean with a polishing cloth. Lead, nickel and cadmium free. Made in the USA.