• Dragonslayer's Brace
• Item Level 226Disenchants into:
  [Abyss Crystal]: 1-2
• Binds when picked up
  
• Plate
• Waist
• 1321 Armor
• +84 Strength
  +127 Stamina
• Durability 55 / 55
• Requires Level 80
• Equip: Increases defense rating by 44.
  Equip: Increases your shield block rating by 45.
  Equip: Increases the block value of your shield by 68.
• Sell Price: 8 7 14

Source

This item drops from Razorscale in the 25-man version of Ulduar.

Patch changes

• Patch 3.1.0 (14-Apr-2009): Added. 
  

External links

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