Read from the World of Warcraft client build files.
How Thranok's Shattering Helm Compares
Who It Suits
Plate is the armor type Death Knight, Paladin and Warrior wear. With Strength or Intellect, Thranok's Shattering Helm suits Arms, Fury and Protection Warrior; Holy, Protection and Retribution Paladin; Blood, Frost and Unholy Death Knight.
Built from the World of Warcraft client build files and recorded Auction House snapshots.
Where Thranok's Shattering Helm Fits
Other Items Named Thranok's Shattering Helm
6 other items in the current build are also called Thranok's Shattering Helm. 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 104492 (104487 to 104497) were usually added in the same batch as Thranok's Shattering Helm: the same quest line, zone, vendor or reward set.