Ball Chain #6 Spool Brass Plated Steel 100 Feet #6 Yellow Brass Connectors are used as an attachment and are sold separately #6 chain has a bead diameter of 1/8" (3.2 mm) Gold-tone finish #6 chain is suitable for necklaces and neck chains, but #3 size ball chain is better for dog tags Made in USA by Ball Chain Manufacturing Since 1938. We are the manufacturer, not a reseller.