Goblin Mortar

Source
Goblin Mortar is crafted by Engineers who have specialized in Goblin engineering, and have a minimum skill level of 205.

The recipe for this item is taught by the Goblin Engineering Trainers.

Goblin Mortar as an ingredient
Goblin Mortar can be reloaded with The Mortar: Reloaded. This ability requires an existing Goblin Mortar.