• Painfully Sharp Choker
• Item Level 219Disenchants into:
  [Abyss Crystal]: 1-2
• Binds when picked up
• Neck
• +68 Strength
  +68 Stamina
• Requires Level 80
• Equip: Improves critical strike rating by 45.
  Equip: Increases your armor penetration rating by 30.
• Sell Price: 7 56 23

Source

This item drops from Scourgelord Tyrannus in Pit of Saron.

Patch changes

• Patch 3.3.0 (08-Dec-2009): Added. 
  

External links

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