100 pcs nickel plated steel, ball chain necklaces 30 inches size #3 with 2.4 mm dia beads, high-quality chains, lightweight and rustproof Adjustable in length -Simply cut between the balls to fit your desired length. Adjustable in length -Simply cut between the balls to fit your desired length. Package included: 100 ball chains,each necklace comes complete with a ball chain connector perfect for making your Chain in your private design, Perfect for dog tags, key chain, and many other uses