Read from the World of Warcraft client build files.
How Nightstalker's Cinch Compares
Who It Suits
Leather is the armor type Demon Hunter, Druid, Monk and Rogue wear. With Agility or Intellect, Nightstalker's Cinch suits Assassination, Outlaw and Subtlety Rogue; Brewmaster, Mistweaver and Windwalker Monk; Balance, Feral, Guardian and Restoration Druid; Havoc, Vengeance and Devourer Demon Hunter.
Similar Items
The 10 items nearest to Nightstalker's Cinch (item level 13) in item level among Armor > Leather, Waist slot, from item level 12 to 22.
Blizzard numbers items as they are created, so the named items next to ID 240327 (240322 to 240332) were usually added in the same batch as Nightstalker's Cinch: the same quest line, zone, vendor or reward set.