Skybuilders' Rivets

Skybuilders' Rivets are miscellany used in the Ishgardian Restoration.

Source
Skybuilders' Rivets can be crafted by armorers as a level 40 recipe with the following materials:
 * x4
 * x4
 * x2
 * x4
 * x2

Uses
Skybuilders' Rivets are exchanged for in custom deliveries to Potkin in The Firmament.