• Gloves of Arcane Acuity
• Item Level 110Disenchants into:
  [Void Crystal]: 1-2
• Binds when picked up
  
• Cloth
• Hands
• 116 Armor
• +20 Intellect
  +16 Stamina
• Blue Socket
  Red Socket
• Durability 35 / 35
• Requires Level 70
• Equip: Improves hit rating by 18.
  Equip: Increases spell power by 34.
• 
• Sell Price: 2 14 92

Source

This item drops from Kael'thas Sunstrider in Magisters' Terrace on Normal mode.

Patches and hotfixes

Patch 2.4.0 (25-Mar-2008): Added 

External links

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