From the release:
Behold the Flash Gitz! The richest and most obnoxious of all the Orks. These wanton mercenaries travel the galaxy flaunting their flashy kit and engaging in acts of outrageous piracy. But don’t be fooled by their ostentation. A mob of Gitz are exceptionally skilled at breaking ‘eads and they are lethal in a firefight - Gork knows when they open fire it's nothing short of cataclysmic.