25 Foot Length Ball Chain, #3 Size, Copper, & 25 Matching Connectors Single 25 Foot Chain with 25 matching connectors included #3 Chain has bead diameter of 3/32 inch (2.4mm) Polished and lacquered copper Great for many uses, including dog tag chain, key chains, necklace chain, and more Chain is Made in the USA by Ball Chain Manufacturing since 1938