In Wrath of the Lich King it is item level 245, requires level 80 and is named Worldbreaker Handguards. In MoP Classic it is item level 232 and requires level 80.
In the Appearances collection, Conqueror's Worldbreaker Handguards is listed as Boss Drop. Appearance ID: 11680. 3 other items wear the same appearance:
Read from the World of Warcraft client build files (JournalEncounterItem, JournalEncounterCreature, Achievement) and the Blizzard Game Data quest API.
How Conqueror's Worldbreaker Handguards Compares
Who It Suits
Mail is the armor type Evoker, Hunter and Shaman wear. With Agility or Intellect, Conqueror's Worldbreaker Handguards suits Beast Mastery, Marksmanship and Survival Hunter; Elemental, Enhancement and Restoration Shaman; Devastation, Preservation and Augmentation Evoker.
Transmog Sets
Conqueror's Worldbreaker Handguards is part of the transmog set Conqueror's Worldbreaker Regalia (Shaman only). The other 16 pieces:
Items Numbered Next to Conqueror's Worldbreaker Handguards
Blizzard numbers items as they are created, so the named items next to ID 46199 (46194 to 46204) were usually added in the same batch as Conqueror's Worldbreaker Handguards: the same quest line, zone, vendor or reward set.