That is a lightweight and rigid one-piece aluminum front side skid guard for big wheel framework models, replacing the kit-standard molded component. Its skid angle of 30 degrees assists your model barrel over rough landscapes and it helps insulate the chassis elements against bumps and shocks.
• Skid Guard x1
• Used in place of kit-standard F4 or M8 part which holds the U-shaped shaft set up.
• may be used in tandem with kit-included front bumper parts.
• Two 3x10mm screws for accessory included.
• appropriate for WR-02, WR-02C, WR-02G, GF-01, G6-01 and WR-02CB framework models.