These Corally factory replacement wheel hex pins measure 2.5x12mm and are made of steel for durability in demanding RC applications. Sold as a set of 4 pins, they secure wheel hexes to axles and are a direct replacement for worn or lost originals. Having spares on hand keeps you running without delays at the track or on the trail. Features: Steel construction 2.5x12mm dimensions Set of 4 pins Secures wheel hexes to axles 7/7/26 cs