Trapezoid shaped metal blanks. Handmade metal blanks for hand stamping are high quality, cut from sheet metal and deburred. These blanks have a nice smooth surface ideal for hand stamping. These can also be used as blanks for engraving after you finish the metal to your liking. Make your own jewelry with our stamping blanks available in Copper, Brass, Bronze, and Nickel Silver. Add your own holes with punching tools or ask us to cut custom holes for you.