These CORE RC serrated M4 steel wheel nuts from Schumacher Racing Products are a factory replacement set of four, finished in black. The serrated flange base bites into the wheel hub face to resist loosening under load, making them a practical choice for touring cars and a wide range of other 1:10 and larger RC platforms. With an M4 thread pitch, they are a direct fit for any vehicle specifying this standard wheel nut size. Features: M4 thread size Serrated flange for vibration resistance Black finish Steel construction Pack of 4 7/7/26 cs