3Racing Sakura XI --- 3Racing Sakura Zero --- Tamiya M06 PRO --- Description Made from Machined POM/Derlin, its benefits over molded pistons include smoother surface and its inherent stiffness thus making it less susceptible to deform especially under hot weather thus making the Damper operate much more efficiently. With 3x1mm holes, its suitable for use under warm hot weather on medium to high traction smooth tracks.