Pack of 25 stainless steel #3 ball chain necklaces with connector already attached to each chain. Perfect chain lanyards for dog tags, necklace charms, and jewellery. #3 stainless steel 30 inch ball chain necklaces with connector already attached to one end (dog tags are sold separately). #3 size chain has a bead diameter of 3/32 inch (2.4mm). Rustproof T304 grade stainless steel. This product is genuine Ball Chain direct from the manufacturer - Ball Chain Manufacturing in Mount Vernon, NY - which means that it is made in the USA and is the most cost effective chain on the market. Ball Chain Manufacturing is ISO 9001:2008 certified by the International Organisation for Standardisation and is also recognised by the Green Business Bureau as a certified "green business". Ball Chain Manufacturing is the largest manufacturer of Ball Chain in the world and the only company that manufactures its chain in the United States.