• Fullered Coldsteel Dagger
• Item Level 138Disenchants into:
  [Infinite Dust]: 1-2 (75%)
  [Lesser Cosmic Essence]: 1-2 (22%)
  [Small Dream Shard]: 1 (3%)
• Binds when picked up
  
• Dagger
• One-Hand
  
• Speed 1.80
• 106-198 Damage
• (84.4 damage per second)
• +11 Agility
• Durability 55 / 55
• Equip: Improves hit rating by 26.
• 
• Sell Price: 8 30 42

Source

This item is a quest reward from:

•  [71] The Delicate Sound of Thunder
•  [71] A Tailor-Made Formula

Patches and hotfixes

/ Patch 3.0.2 (14-Oct-2008): Added 

External links

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