Darkstar DS40 Series Precision Quality Silver Complete Skateboard, 31 x 7.75-Inch 31 x 7.75-Inch improved deck shape with 9ply mixed maple Deeper pro concave with double kicktail 80s fine black grip tape with printed logo 5-Inch Dark star aluminum polished finish trucks and 90a bushings with a standard kingpin 54mm x 34mm, 97a injected polyurethane wheels