The Pinecar Straight Tracker is a precision alignment tool designed to help Pine Wood Derby builders ensure their axles and wheels are set straight and true before race day. Proper wheel alignment is one of the most important factors in achieving a fast, straight-rolling car, and this tool simplifies that process. It is a factory Pinecar accessory built to work with standard Pine Wood Derby car construction. Features: Helps align axles and wheels for straight tracking Precision tool for repeatable, accurate results Designed for standard Pine Wood Derby car builds 7/7/26 cs