25 Foot Length Ball Chain, Number 6 Size, Nickel Plated Steel, 25 Matching Connectors Single 25 Foot Chain with 25 matching connectors included #6 Chain has bead diameter of 1/8 inch (3.2mm) Shiny Chrome-like finish #6 chain is often used as pull chain for ceiling fans; also suitable for neck chains, but #3 chain is better for dog tags Chain is Made in the USA by Ball Chain Manufacturing since 1938