200 Antique Bronze Blanks - 20mm.The round blank measures approximately .33 mm thick and has a 1.5 mm pre-punched hole.These antique finished stamping tags are perfect for making jewellery, scrap booking and other creative crafts! This soft bronze blank is easy to stamp.Use with a hardened or tempered steel metal design, letter or number punches! Use this stamping blank as a pendant, charm, tag or other craft embellishment.Each blank measures 20 mm in diameter, which measures 25/32 inches.