In Wrath of the Lich King it is item level 245, requires level 80 and is named Siegebreaker Gauntlets. In MoP Classic it is item level 232, requires level 80 and sells to vendors for 1c.
In the Appearances collection, Conqueror's Siegebreaker Gauntlets is listed as Boss Drop. Appearance ID: 11560. 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 Siegebreaker Gauntlets Compares
Who It Suits
Plate is the armor type Death Knight, Paladin and Warrior wear. With Strength or Intellect, Conqueror's Siegebreaker Gauntlets suits Arms, Fury and Protection Warrior; Holy, Protection and Retribution Paladin; Blood, Frost and Unholy Death Knight.
Items Numbered Next to Conqueror's Siegebreaker Gauntlets
Blizzard numbers items as they are created, so the named items next to ID 46148 (46143 to 46153) were usually added in the same batch as Conqueror's Siegebreaker Gauntlets: the same quest line, zone, vendor or reward set.