Bases:Cushioned base design to help reduce injury. Durable, one-piece molded rubber base with no metal parts. Removable white center post for easy storage and replacement. Does not include anchors.Posts:Set of three rubber base anchors. Safer than steel anchors that may have sharp edges. Rugged and long lasting. Flexible rubber allows for the base to shift during hard impact lowering risk of injury. Anchors fit securely inside Shock Absorbing Base 33251.