• Legguards of the Frosty Depths
• Item Level 232Disenchants into:
  [Abyss Crystal]: 1-2
• Binds when picked up
  
• Plate
• Legs
• 2073 Armor
• +92 Stamina
  +88 Intellect
• Blue Socket
• Socket Bonus: +4 Intellect
• Durability 120 / 120
• Requires Level 80
• Equip: Improves haste rating by 76.
  Equip: Restores 40 mana per 5 sec.
  Equip: Increases spell power by 132.
• 
• Sell Price: 1614

Source

This item drops from Forgemaster Garfrost in Pit of Saron on heroic mode.

Patch changes

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

External links

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