This is a set of GHEA Racing Products +1mm Lightened Wheel Hexes with Pins for the Mugen Seiki 1/8th family of vehicles. This new product from GHEA Racing Products is made from Swiss 7075-T6 aluminum, anodized, lightweight and is 1mm wider than stock. These hexes are machined slightly oversized to fit in wheel better and prevent from stripping the wheel on the hex.