Complete conversion kit to make a new style Tamiya Bruiser fit standard 12mm hex wheels. Nothing else out there compares to this kit. What's included:1x Bruiser short rear shafts (Black)1x Bruiser long rear shafts (Black)4x Hex hubs (Silver)5x 2mm OD pin for hex (Z-S0277)4x M4 Locknut (Black)4x M3 x 3mm SSS (Black)