The game's collection data lists Deep Delving Gloves as sold by a vendor NPC in Isle of Quel'Danas. The vendor stands at 50.3, 28.2 on the Isle of Quel'Danas map.
Vendor NPC, zone and position come from the client's collection source tables (CollectableSourceInfo and CollectableSourceVendorSparse); coordinates are the in-game map readout.
Build history
First seen in build 5.5.4.69585 (Mists of Pandaria).
Read from the World of Warcraft client build files (JournalEncounterItem, JournalEncounterCreature, Achievement) and the Blizzard Game Data quest API.
How Deep Delving Gloves Compares
Who It Suits
Leather is the armor type Demon Hunter, Druid, Monk and Rogue wear. With Agility or Intellect, Deep Delving Gloves 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
Deep Delving Gloves is part of the transmog set Restless Dreambound Battlegear (Rogue, Monk, Druid and Demon Hunter only). The other 16 pieces:
2 other items in the current build are also called Deep Delving Gloves. Same-name entries are usually a different rank, faction, quest stage or reward track of the same object.
Blizzard numbers items as they are created, so the named items next to ID 56334 (56329 to 56339) were usually added in the same batch as Deep Delving Gloves: the same quest line, zone, vendor or reward set.