Read from the World of Warcraft client build files.
How Serpentstalker Helmet Compares
Who It Suits
Mail is the armor type Evoker, Hunter and Shaman wear. With Agility or Intellect, Serpentstalker Helmet suits Beast Mastery, Marksmanship and Survival Hunter; Elemental, Enhancement and Restoration Shaman; Devastation, Preservation and Augmentation Evoker.
Transmog Sets
Serpentstalker Helmet is part of the transmog set Serpentstalker Guise (Hunter only), which the Appearances collection lists in 4 versions. The other 16 pieces:
Built from the World of Warcraft client build files and recorded Auction House snapshots.
Where Serpentstalker Helmet Fits
Other Items Named Serpentstalker Helmet
1 other item in the current build is also called Serpentstalker Helmet. 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 247167 (247162 to 247172) were usually added in the same batch as Serpentstalker Helmet: the same quest line, zone, vendor or reward set.