Read from the World of Warcraft client build files (JournalEncounterItem, JournalEncounterCreature, Achievement) and the Blizzard Game Data quest API.
How Rockhide Bracers Compares
Who It Suits
Plate is the armor type Death Knight, Paladin and Warrior wear. With Strength or Intellect, Rockhide Bracers suits Arms, Fury and Protection Warrior; Holy, Protection and Retribution Paladin; Blood, Frost and Unholy Death Knight.
Transmog Sets
Rockhide Bracers is part of the transmog set Necrotic Boneplate Armor (Death Knight only). The other 16 pieces:
Built from the World of Warcraft client build files and recorded Auction House snapshots.
Where Rockhide Bracers Fits
Other Items Named Rockhide Bracers
2 other items in the current build are also called Rockhide 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 78377 (78372 to 78382) were usually added in the same batch as Rockhide Bracers: the same quest line, zone, vendor or reward set.