design of 12 heart-shaped punches can be freely matched with various texts and patterns, allowing artists to use their imaginations to create works. Each set comes with a plastic storage box to keep all metal stamps in place. The compact box does not take up much space and is easy to store and carry. This metal stamp set is made of high quality steel with different heat treatments for maximum performance and durability. Perfect for stamping soft metals including aluminum, tin, copper, brass, silver and wood. Do not use on stainless steel., Weight: 0.53021174011 Pounds, Manufacturer: Kueohse