- Smooth Amber
- +4 Critical Strike Rating
- "Matches any socket."
- Sell Price: 50
Source
This item can be purchased for 2
from:
- Inessera <Jewelcrafting Supplies Vendor> in Terokkar Forest
- Lisrythe Bloodwatch <Fence> in Shattrath City
- Dealer Senzik <Gems and Jewelcrafting> in Netherstorm
- Reagan Mancuso <Gem Vendor> in Hellfire Peninsula
- Markus Scylan <Gem Vendor> in Hellfire Peninsula
Patch changes
Patch 4.2.0 (2011-06-28): Now stacks to 20. 
Patch 2.0.3 (2007-01-09): Added.