Team KNK Traxxas 4X4 Basher Bag Stainless Hardware Kit. This optional hardware set is intended for use with the Traxxas 4X4 Slash, Rally, and Stampede, to give you the freedom to embrace the elements without fear of rusting your screws. These stainless screws are A2 or 18-8 grade stainless steel, the highest quality stainless hardware available. Package includes one hardware kit.