• Drape of the Faceless General
• Item Level 226Disenchants into:
  [Abyss Crystal]: 1-2
• Binds when picked up
• Back
• 157 Armor
• +53 Agility
  +55 Stamina
• Red Socket
  Yellow Socket
• Socket Bonus: +6 Agility
• Requires Level 80
• Equip: Improves critical strike rating by 40.
  Equip: Increases attack power by 92.
  Equip: Increases your armor penetration rating by 30.
• 
• Sell Price: 6 43 71

Source

This item drops from General Vezax on hard mode in the 10-man version of Ulduar.

Patch changes

• Patch 3.2.2 (2009-09-22): Changed stats (+24 Stamina and -16 Agility. 
  
• Patch 3.1.0 (14-Apr-2009): Added. 
  

External links

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