The game's collection data lists Circuit Design Breastplate as sold by 2 vendor NPCs in Tanaris and Dalaran. The first vendor stands at 51.3, 28.2 on the Tanaris map.
Vendor NPC, zone and position come from the client's collection source tables (CollectableSourceInfo and CollectableSourceVendorSparse); coordinates are the in-game map readout.
Build history
First seen in build 5.5.4.69585 (Mists of Pandaria).
Read from the World of Warcraft client build files (JournalEncounterItem, JournalEncounterCreature, Achievement) and the Blizzard Game Data quest API.
How Circuit Design Breastplate Compares
Who It Suits
Mail is the armor type Evoker, Hunter and Shaman wear. With Agility or Intellect, Circuit Design Breastplate suits Beast Mastery, Marksmanship and Survival Hunter; Elemental, Enhancement and Restoration Shaman; Devastation, Preservation and Augmentation Evoker.
Similar Items
The 10 items nearest to Circuit Design Breastplate (item level 37) in item level among Armor > Mail, Chest slot, from item level 29 to 39.
1 other item in the current build is also called Circuit Design Breastplate. Same-name entries are usually a different rank, faction, quest stage or reward track of the same object.
Blizzard numbers items as they are created, so the named items next to ID 63540 (63535 to 63545) were usually added in the same batch as Circuit Design Breastplate: the same quest line, zone, vendor or reward set.