Accessories:Stainless Steel Flat Head Screw 4x12-2PCSStainless Steel Flat Head Screw 4x14-2PCSProduct major function & usage:The rear chassis is constantly rubbing on different surfaces, all the friction would wearout the chassis itself and the gear will be exposed and eventually be damaged. This part is a great protection for the from chassis and avoid any damage on the gear. The features of general appearance of this product:1. The wings on the part are designed to cling tightly on front chassis. The data is precisely measured. 2. 3D streamline is created for a modern appearance. Other special notes and comments:Suitable for ARRMA KRATON, SENTON, OUTCAST