Ltpgtltstronggtuse the 66fit pvc surface wooden rocker board to ensure a speedy return to sportltstronggtltpgtr ltpgtthe 50cm wooden rocker allows you the beginner to intermediate user to retrain proprioception and coordination and help strengthen weakened muscles to accelerate recovery so that you can return to the sport that you love quickly and safelyltpgtr ltpgtthe 50cm board is extremely easy to use thanks to its gentle 12 degree angle tilt and large easy g