Sc 0254mg savox std size digital servo metal gear 7 2kg6v standard size digital servo with high performance rate and strong metal gears ideal for 30 size airplane wheel steering on 18th buggy savox sc0254mg features precise made metal and plastic gears forms as the solid and strong framework of our servos production and quality control of plastic component in our servos follow the standard of branded digital camera totally green from material to production our servos are environmentally