• Elunite Imbued Leggings
• Item Level 128Disenchants into:
  [Void Crystal]: 1-2
• Binds when picked up
  
• Leather
• Legs
• 353 Armor
• +30 Stamina
  +40 Intellect
• Red Socket
  Yellow Socket
  Blue Socket
• Socket Bonus: 2 Mana per 5 sec.
• Durability 90 / 90
• Requires Level 70
• Equip: Improves critical strike rating by 31.
  Equip: Increases spell power by 46.
• 
• Sell Price: 6 16 87

Source

Elunite Imbued Leggings can be looted from the first reward chest after successfully doing the timed event in Zul'Aman.

Patches and hotfixes

Patch 2.3.0 (13-Nov-2007): Added 

External links

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