Mil Stone 4 for Losi Micro Crawler Barrel Nuts for wheel weights (no weights)
They are only made to work with our Mil Stone Hexed Spacer Weights that widen stance on Axial SCX24's, Losi Micro Crawlers, and Proline Ambush crawlers. The stainless barrel nuts have a 4.5 mm hex. Requires the Mil Stone Spacer weight.