Build your quickdraws with the Black Diamond Dogbones for easy-clipping performance when it matters most. Dogbones use rubber inserts to keep carabiners correctly oriented. Don't blow the redpoint because of a rotated biner and botched clip. Dogbones are available in 12cm and 18cm lengths in both Dynex and nylon. Material: Nylon or Dynex - Strength: 22kN - Dimensions: 12cm, 18cm - Recommended Use: Sport and trad climbing - Warranty: 1 Year - Country of Origin: United States.