The Ronin Gear Tsunami Revolution Impeller set increases the speed that your Revolution hopper feeds at, without sacrificing any reliability! The custom Quad-Blade design eliminates excess drag, and the spherical agitators at the tips insure paintballs in the loader are constantly pushed, to help improve your gun"s feeding. This simple bolt-on modification installs in minutes, and virtually eliminates jams! This is one of the common little modifications used by Pros! Fits any 9 volt or 12 volt Viewloader, JAVA or Brass Eagle Revolution loader!