Read from the World of Warcraft client build files.
How Blightguard's Grasps Compares
Who It Suits
Mail is the armor type Evoker, Hunter and Shaman wear. With Agility or Intellect, Blightguard's Grasps suits Beast Mastery, Marksmanship and Survival Hunter; Elemental, Enhancement and Restoration Shaman; Devastation, Preservation and Augmentation Evoker.
Transmog Sets
Blightguard's Grasps is part of the transmog set Blightguard's Chains (Hunter, Shaman and Evoker only), which the Appearances collection lists in 2 versions. The other 11 pieces:
Blizzard numbers items as they are created, so the named items next to ID 165482 (165477 to 165487) were usually added in the same batch as Blightguard's Grasps: the same quest line, zone, vendor or reward set.