Craftsman's Writ - Goblin Sapper Charge (quest)

Objectives
Deliver 20 Goblin Sapper Charges and the Craftsman's Writ - Goblin Sapper Charge - to Packmaster Stonebruiser at Light's Hope Chapel in the Eastern Plaguelands.

Description
The bearer of this writ is entitled to payment in the form of an insignia of their choice upon completion of the contracted work order. Work Order EN-11: 20 Goblin Sapper Charges. All filled orders should be delivered to Packmaster Stonebruiser at Light's Hope Chapel in the Eastern Plaguelands. Contract is null and void if tampered with or damaged. -Dispatch Commander Metz, The Argent Dawn

Progress
Filling a work order, ?

Completion
Now you're talking my language,. Things that go BOOM!