Material: AluminumColor: BlueSuit for car model upgradingFor HSP 1:10 Model Car 02013 02014 02015Bright blue designed， smooth surface Made from metal， durablePlease refer to your instruction for the part number and picture.Package Included:Pair 102010 Pair 102011 Pair 102012 4x Bearing 15*10*4 4x Bearing 10*5*4