10 Foot Length Ball Chain, Number 1 Size, Nickel Plated Steel, 10 Matching Connectors Single 10 Foot Chain with 10 matching connectors included #1 Chain has bead diameter of .072 inches (1.8 mm) Shiny Nickel Plating over steel base Great for many uses, including fine jewelry, necklaces, bracelets Made in the USA by Ball Chain Manufacturing since 1938