For beautiful designs use this 1 troy oz. of 925/10 silver-filled round 28 gauge, dead soft wire. The dead soft wire can be easily manipulated so it's ideal for elaborate designs. Our 925/10 silver-filled products are comprised of 10% silver, significantly higher than 925/20 silver-filled products, which only contain 5% silver. The silver is mechanically bonded to a brass core for a sturdy structure which allows you to create incredible pieces that have that perfect professional look.