• Broken Heavy Throwing Dagger
• Item Level 27Disenchants into:
  Not disenchantable
• Requires Level 22

Source

This item was the original [Heavy Throwing Dagger] that is bought from vendors. It changed to its current form when they changed the way durability worked with thrown items with the Burning Crusade expansion.

External links

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