Read from the World of Warcraft client build files (JournalEncounterItem, JournalEncounterCreature, Achievement) and the Blizzard Game Data quest API.
How Face Kickers Compares
Who It Suits
Mail is the armor type Evoker, Hunter and Shaman wear. With Agility or Intellect, Face Kickers suits Beast Mastery, Marksmanship and Survival Hunter; Elemental, Enhancement and Restoration Shaman; Devastation, Preservation and Augmentation Evoker.
Transmog Sets
Face Kickers is part of the transmog set Rylakstalker's Battlegear (Hunter only), which the Appearances collection lists in 3 versions. The other 16 pieces:
Blizzard numbers items as they are created, so the named items next to ID 113849 (113844 to 113854) were usually added in the same batch as Face Kickers: the same quest line, zone, vendor or reward set.