Description:Dura-Belt Quick Connect Twisted belts are also called connectable belts, twisted O-rings, quick-fix belts, zero downtime bands, and easy hook round belts. Twisted belting is designed to replace urethane endless round belts that become damaged or wear out. These connectable belts are easily and quickly installed in the field without dismantling drive shafts. The tips of quick fix belts are loops that you connect together with small stainless steel or plastic hooks that come with the belts.,