In Wrath of the Lich King it is item level 232 and requires level 80. In MoP Classic it is item level 232, requires level 80 and sells to vendors for 1c.
In the Appearances collection, Thrall's Grips of Conquest is listed as Boss Drop. Appearance ID: 11970. 13 other items wear the same appearance; 12 of them are listed here.
Read from the World of Warcraft client build files (JournalEncounterItem, JournalEncounterCreature, Achievement) and the Blizzard Game Data quest API.
How Thrall's Grips of Conquest Compares
Who It Suits
Mail is the armor type Evoker, Hunter and Shaman wear. With Agility or Intellect, Thrall's Grips of Conquest suits Beast Mastery, Marksmanship and Survival Hunter; Elemental, Enhancement and Restoration Shaman; Devastation, Preservation and Augmentation Evoker.
Similar Items
The 10 items nearest to Thrall's Grips of Conquest (item level 35) in item level among Armor > Mail, Hands slot, from item level 31 to 39.
Blizzard numbers items as they are created, so the named items next to ID 48367 (48362 to 48372) were usually added in the same batch as Thrall's Grips of Conquest: the same quest line, zone, vendor or reward set.