Short - for Maxillary or Mandibular Arch Each spool is 15’ long, which can be cut to any desired length. Power Chain is designed to move teeth or to stabilize the arch. All chains create an elastic ounce pull for 72 hours. After three days the arch will be stabilized until the patient returns for the next appointment. Our products have the highest surgical-grade elastomer. All colors are FDA approved for the oral environment.