5 feet Silver Filled .925 Round Wire 24ga 24 Gauge 0.5mm Dead Soft/Findings/Bright Material: 925 Sterling Silver over Copper Size: 24ga (0.5mm) Condition: New, fine and excellent for Jewelry making 1 roll of 5 feet of wire. 1/10 Silver-filled, which means that the outer 10% of each item is .925 silver. Silver filled items have a brass core. The silver is mechanically bonded to the brass. Just like Gold Filled items, the result is much thicker than silver plating. This process make the headpins much less expensive than solid sterling silver, and the difference in quality is impossible to see with the naked eye.