Them includes : Hex Adaper-4pcs Hex Adaper Screw-4pcs Hex Socket Screw 4*24-4pcs Stainless Pin 2*10.7-4pcs 5mm Metal Washer-4pcs handbook quantity: AX80128+AX31118+AX12021 Product major function & use:
1. Self-lock design provides better security whenever driving and switching. 2. appropriate ground, concrete, asphalt tracks allowing the auto driving in higher-level with a premier hold solution provide more delicate turning.
1. an easy task to obtain connected and play, pays to for several vehicles 2. good of tires for longer running time designed for On-road just, not suitable crawling.