A set of 100 chains, each 120mm long. - Quantity: 100 - Length: 120mm - Ball diameter: 2.4mm (actual measurement 2.2mm - 2.4mm) To account for any possible counting errors, we've included 1-2 extra chains. Shipped via Click Post. Shipping costs are covered by us. For purchases of 2 or more sets, we offer a discount of 150 yen per additional set. You can purchase without leaving a comment, unless you wish to take advantage of the bulk purchase discount. Transactions without greetings are welcome. The bag containing the chains may differ from the photo.