30 inch #3 size brass plated steel neck chains with connector already attached to each chain. Brass plated 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 Organization for Standardization and is also recognized 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.