• Pharos Gloves
• Item Level 239Disenchants into:
  [Abyss Crystal]: 1-2
• Binds when picked up
  
• Cloth
• Hands
• 203 Armor
• +72 Stamina
  +72 Intellect
• Blue Socket
  Yellow Socket
• Socket Bonus: +7 Spell Power
• Durability 35 / 35
• Requires Level 80
• Equip: Improves critical strike rating by 64.
  Equip: Improves haste rating by 74.
  Equip: Increases spell power by 92.
• 
• Sell Price: 4 85 51

Source

This item can be found inside Gift of the Observer after defeating Algalon the Observer 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