v2.4.0 is a release file of the Minecraft plugin SimplePrefix, made for Minecraft 1.8. It was published on May 23, 2015 and is 0 MB in size. For the full description, screenshots and every other version, visit the SimplePrefix plugin page.
How to install: Put the .jar into the plugins folder of your Paper, Spigot or Bukkit server and restart the server.
