This quest is not available in game.
You will also receive:
Added in Patch 1.3.0, when Dire Maul was released. Completing this quest awarded Knot Thimblejack's Cache, which contained eleven possible skill level 300 recipes. This required multiple runs and turn-ins if you wanted to obtain all the patterns you were eligible to learn.
The quest was removed in Patch 4.0.3a, when the level 1-60 world was revamped.