• Unsharpened Ice Razor
• Item Level 232Disenchants into:
  [Abyss Crystal]: 1-2
• Binds when picked up
  
• Dagger
• One-Hand
  
• Speed 1.40
• 200 - 301 Damage
• (178.9 damage per second)
• +52 Agility
  +45 Stamina
• Durability 75 / 75
• Requires Level 80
• Equip: Increases your expertise rating by 30.
  Equip: Increases attack power by 74.
  Equip: Increases your armor penetration rating by 37.
• 
• Sell Price: 22 1 48

Source

This item has a chance to drop from any trash mob in the Frozen Halls instances.

Patch changes

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

External links

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