An Uncommon Leather Wrist, item level 50, requires level 40, binds when picked up. Drops from Patrol Captain Gerdo in Court of Stars and 1 other encounter.
Read from the World of Warcraft client build files (JournalEncounterItem, JournalEncounterCreature, Achievement) and the Blizzard Game Data quest API.
How Swordsinger's Wristguards Compares
Who It Suits
Leather is the armor type Demon Hunter, Druid, Monk and Rogue wear. With Agility or Intellect, Swordsinger's Wristguards 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
Swordsinger's Wristguards is part of the transmog set Battlegear of the Dreadhide Stalker (Rogue, Monk, Druid and Demon Hunter only). The other 16 pieces:
Blizzard numbers items as they are created, so the named items next to ID 134280 (134273 to 134285) were usually added in the same batch as Swordsinger's Wristguards: the same quest line, zone, vendor or reward set.