Read from the World of Warcraft client build files.
How Nefarious Tormentor's Footguards Compares
Who It Suits
Mail is the armor type Evoker, Hunter and Shaman wear. With Agility or Intellect, Nefarious Tormentor's Footguards suits Beast Mastery, Marksmanship and Survival Hunter; Elemental, Enhancement and Restoration Shaman; Devastation, Preservation and Augmentation Evoker.
Transmog Sets
Nefarious Tormentor's Footguards is part of the transmog set Lurking Defiler's Scalemail (Hunter, Shaman and Evoker only). The other 16 pieces:
Items Numbered Next to Nefarious Tormentor's Footguards
Blizzard numbers items as they are created, so the named items next to ID 173447 (173442 to 173452) were usually added in the same batch as Nefarious Tormentor's Footguards: the same quest line, zone, vendor or reward set.