Read from the World of Warcraft client build files (JournalEncounterItem, JournalEncounterCreature, Achievement) and the Blizzard Game Data quest API.
How Fallen Lord's Handguards Compares
Who It Suits
Plate is the armor type Death Knight, Paladin and Warrior wear. With Strength or Intellect, Fallen Lord's Handguards suits Arms, Fury and Protection Warrior; Holy, Protection and Retribution Paladin; Blood, Frost and Unholy Death Knight.
Transmog Sets
Fallen Lord's Handguards is part of the transmog set Sanctified Lightsworn Plate (Paladin only). The other 16 pieces:
Built from the World of Warcraft client build files and recorded Auction House snapshots.
Where Fallen Lord's Handguards Fits
Other Items Named Fallen Lord's Handguards
1 other item in the current build is also called Fallen Lord's Handguards. 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 50650 (50645 to 50655) were usually added in the same batch as Fallen Lord's Handguards: the same quest line, zone, vendor or reward set.