The GPM TRX4ZSP2 kit provides CNC-friendly stainless steel slip-proof tread plates designed to enhance the rear bumper of the Traxxas TRX4. Each engraved plate improves scale fidelity while adding a textured surface that resists wear during rock crawling and trail use. The 26 piece kit supports installation with double sided tape or M1.2x4 screws, offering straightforward fitting and durable attachment options.