In the Appearances collection, Grievous Gladiator's Silk Handguards is listed as World Drop. Appearance ID: 21103. 2 other items wear the same appearance:
Read from the World of Warcraft client build files.
How Grievous Gladiator's Silk Handguards Compares
Who It Suits
Cloth is the armor type Mage, Priest and Warlock wear. With Intellect, Grievous Gladiator's Silk Handguards suits Discipline, Holy and Shadow Priest; Arcane, Fire and Frost Mage; Affliction, Demonology and Destruction Warlock.
Transmog Sets
Grievous Gladiator's Silk Handguards is part of the transmog set Grievous Gladiator's Silk Armor (Mage only). The other 15 pieces:
Built from the World of Warcraft client build files and recorded Auction House snapshots.
Where Grievous Gladiator's Silk Handguards Fits
Other Items Named Grievous Gladiator's Silk Handguards
4 other items in the current build are also called Grievous Gladiator's Silk Handguards. Same-name entries are usually a different rank, faction, quest stage or reward track of the same object.
Items Numbered Next to Grievous Gladiator's Silk Handguards
Blizzard numbers items as they are created, so the named items next to ID 100328 (100323 to 100333) were usually added in the same batch as Grievous Gladiator's Silk Handguards: the same quest line, zone, vendor or reward set.