Featuresshield free design no shield grooves in either race for no cred dust and dirt build up super fast sound and spinfast slick and non stick tungsten coating to ensure an extremely slick finish with low drag and longer lifethe sound of speed audible speed technology combined with no shields enhances the raw sound of speed requiring minimal oilmaximum impact super strong and durable non distortion fiberglass filled pure nylon cage keep the balls precision spacedshred ready 100