2 set rc car part: 1 set trailer hook & 1 set double motor metal winch 1. double motors, greater power, more reliable and easier to use. 2. drag objects or other rc cars stuck in mud. 3. the performance of a real car and bring you a more pleasant experience. 4. can be used with remote control. Item: Metal Tow Shackle Trailer Hook Compatible with: for Axial SCX10 90046 CC01 D90 D110 TRX4 Crawler Truck Well made and RC Parts & Accs:Connectors/Wiring Upgrade Parts/Accessories:Frame Four-wheel Drive :Assemblage Remote Control Peripherals/Devices:Trailer Hook Suitable for Redcat Axial scx10 D90 TRX4 KM2 RC car. Colour: black Material: composite material + metal Package Content: 1 * Trailer Chain 4 * screw 1 * RC Car Winch Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.