Primal Gladiator's Linked Gauntlets is part of the transmog set Primal Gladiator's Ringmail Armor (Shaman only), which the Appearances collection lists in 2 versions. The other 16 pieces:
Items Numbered Next to Primal Gladiator's Linked Gauntlets
Blizzard numbers items as they are created, so the named items next to ID 115937 (115932 to 115942) were usually added in the same batch as Primal Gladiator's Linked Gauntlets: the same quest line, zone, vendor or reward set.