A handy, all-purpose-size jump ring, plated in genuine silver. we measure them at 19 gauge/.036-inch. use for the female half of clasps, hooks and other fasteners. fasten large hooks onto the ends of chains. suspend pendants from necklaces, earrings, anklets, bracelets, collars.... why pay up to 20 cents per ring for solid sterling? these sterling silver plated jump rings give you the same quality look at a great price. 6mm outside diameter quantity: 100 jump rings . this item is lead-free.