Read from the World of Warcraft client build files (JournalEncounterItem, JournalEncounterCreature, Achievement) and the Blizzard Game Data quest API.
How Shadow Archer's Spaulders Compares
Who It Suits
Mail is the armor type Evoker, Hunter and Shaman wear. With Agility or Intellect, Shadow Archer's Spaulders suits Beast Mastery, Marksmanship and Survival Hunter; Elemental, Enhancement and Restoration Shaman; Devastation, Preservation and Augmentation Evoker.
Similar Items
The 9 items nearest to Shadow Archer's Spaulders (item level 50) in item level among Armor > Mail, Shoulder slot, from item level 39 to 60.
Blizzard numbers items as they are created, so the named items next to ID 139245 (139240 to 139250) were usually added in the same batch as Shadow Archer's Spaulders: the same quest line, zone, vendor or reward set.