Read from the World of Warcraft client build files.
How Obsidian Gladiator's Leather Strap Compares
Who It Suits
Leather is the armor type Demon Hunter, Druid, Monk and Rogue wear. With Agility or Intellect, Obsidian Gladiator's Leather Strap suits Assassination, Outlaw and Subtlety Rogue; Brewmaster, Mistweaver and Windwalker Monk; Balance, Feral, Guardian and Restoration Druid; Havoc, Vengeance and Devourer Demon Hunter.
Transmog Sets
Obsidian Gladiator's Leather Strap is part of the transmog set Obsidian Gladiator's Leather Armor (Monk only), which the Appearances collection lists in 3 versions. The other 16 pieces:
Built from the World of Warcraft client build files and recorded Auction House snapshots.
Where Obsidian Gladiator's Leather Strap Fits
Other Items Named Obsidian Gladiator's Leather Strap
3 other items in the current build are also called Obsidian Gladiator's Leather Strap. Same-name entries are usually a different rank, faction, quest stage or reward track of the same object.
Items Numbered Next to Obsidian Gladiator's Leather Strap
Blizzard numbers items as they are created, so the named items next to ID 205566 (205561 to 205571) were usually added in the same batch as Obsidian Gladiator's Leather Strap: the same quest line, zone, vendor or reward set.