This is the Hot Racing 25mm Hex Serrated Wheel Nuts for the Traxxas X-Maxx Monster Truck.                                                                                                        FEATURES: CNC machined high strength 7075 aluminum construction, anodized blue                    in color                                                                              Serrated on back to ensure tight fit                                                    Fits the 17mm wheel threads used on the Traxxas X-Maxx                                                                                                INCLUDES: Four 25mm Hex Serrated Wheel Nuts                                                                                                                     SPECS:    Hex Size: 25mm                                                                       Outer Diameter: 1.1" (28.5mm)                                                        Thickness: 0.51" (13mm)