• Greaves of the Earthbinder
• Item Level 219Disenchants into:
  [Abyss Crystal]: 1-2
• Binds when picked up
  
• Mail
• Feet
• 893 Armor
• +50 Stamina
  +63 Intellect
• Blue Socket
• Socket Bonus: +4 Critical Strike Rating
• Durability 70 / 70
• Requires Level 80
• Equip: Improves critical strike rating by 47.
  Equip: Increases spell power by 88.
  Equip: Increases your mana regen by 17.
• Sell Price: 9 95 27

Source

This item can be found inside Cache of Living Stone after defeating Kologarn in the 10-man version of Ulduar.

Patch changes

• Patch 3.1.0 (14-Apr-2009): Added. 
  

External links

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