Read from the World of Warcraft client build files (JournalEncounterItem, JournalEncounterCreature, Achievement) and the Blizzard Game Data quest API.
How Eternium Shell Bracers Compares
Who It Suits
Plate is the armor type Death Knight, Paladin and Warrior wear. With Strength or Intellect, Eternium Shell Bracers suits Arms, Fury and Protection Warrior; Holy, Protection and Retribution Paladin; Blood, Frost and Unholy Death Knight.
Transmog Sets
Eternium Shell Bracers is part of the transmog set Onslaught Armor (Warrior only). The other 16 pieces:
Built from the World of Warcraft client build files and recorded Auction House snapshots.
Where Eternium Shell Bracers Fits
Other Items Named Eternium Shell Bracers
1 other item in the current build is also called Eternium Shell Bracers. 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 150434 (150429 to 150439) were usually added in the same batch as Eternium Shell Bracers: the same quest line, zone, vendor or reward set.