These Jack Chains are sold as a pair and are constructed from 14 Gauge steel and can be riveted or laced to your Gambeson-Sleeves. Jack Chains were an important part of infantry armor in late medieval period foot soldiers usually were not protected by plate armour and wore a padded doublet arming-jack or Gambeson. The Jack Chains were fastened to the sleeves of the jacket to protect the arms against cuts. We are offering 2 sets of Jack chain design to choose from. Please select from additional option as Design Choice 1 and 2.