• Enchanted Black Dragon Sinew
• Item Level 71Disenchants into:
  Not disenchantable
• Binds when picked up
• Unique
• Classes: Hunter
• Requires Level 60
• "An almost indestructible string. Perfect for a mighty bow stave."

Source

This item is a quest reward from  [60R] A Proper String^ω τ ϖ.

Enchanted Black Dragon Sinew as an ingredient

This item is used to make:

• [Rhok'delar, Longbow of the Ancient Keepers]

Patch changes

• Patch 1.4.0 (2005-05-05): Added. 
  

External links

• Battle.net (EU)
• Wowhead
• Thottbot
• WoWDB