• Plans: Swiftsteel Shoulders
• Item Level 70Disenchants into:
  Not disenchantable
• Requires Blacksmithing (375)
• Use: Teaches you how to make Swiftsteel Shoulders.
• [Swiftsteel Shoulders]
• Requires Felsteel Bar (18), Hardened Adamantite Bar (2), Primal Air (8), Heart of Darkness (2)
• Sell Price: 75

Source

These plans drop in The Black Temple.

External links

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