10 Foot Length Ball Chain, #3 Size, Copper, with 10 Matching Connectors Single 10 Foot Chain with 10 matching connectors included #3 Chain has bead diameter of 3/32" (2.4mm) Polished & lacquered copper chain (other finishes available) Great for many uses, including dog tag chain, key chains, necklace chain, and more Made in the USA by Ball Chain Manufacturing since 1938