• The Lady's Brittle Bracers
• Heroic
• Item Level 277Disenchants into:
  [Abyss Crystal]: 1-2
• Binds when picked up
  
• Cloth
• Wrist
• 162 Armor
• +78 Stamina
  +78 Intellect
• Yellow Socket
• Socket Bonus: +5 Spell Power
• Durability 35 / 35
• Requires Level 80
• Equip: Improves hit rating by 52.
  Equip: Improves critical strike rating by 73.
  Equip: Increases spell power by 110.
• 
• Sell Price: 5 61 44

Source

This item drops from Lady Deathwhisper in the heroic 25-man version of Icecrown Citadel.

Patch changes

• Patch 3.3.0 (08-Dec-2009): Added. 
  

External links

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