• Cuffs of Devastation
• Item Level 141Disenchants into:
  [Void Crystal]: 1-2
• Binds when picked up
  
• Cloth
• Wrist
• 103 Armor
• +22 Stamina
  +20 Intellect
  +19 Spirit
• Yellow Socket
• Socket Bonus: +3 Stamina
• Durability 35 / 35
• Requires Level 70
• Equip: Improves critical strike rating by 14.
  Equip: Increases spell power by 34.
• 
• Sell Price: 2 74

Source

This item drops from Rage Winterchill during the Battle of Mount Hyjal.

External links

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