• Rusty Frozen Fingerguards
• Item Level 232Disenchants into:
  [Abyss Crystal]: 1-2
• Binds when picked up
  
• Plate
• Hands
• 1480 Armor
• +68 Stamina
  +68 Intellect
• Durability 55 / 55
• Requires Level 80
• Equip: Improves critical strike rating by 60.
  Equip: Restores 30 mana per 5 sec.
  Equip: Increases spell power by 105.
• 
• Sell Price: 7 89 78

Source

This item drops from Scourgelord Tyrannus 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