Use: Vehicles & Remote Control Toys RC Parts & Accs: Transmitters Upgrade Parts/Accessories: Adapter Remote Control Peripherals/Devices: Remote Controller Tool Supplies: Assembled class For Vehicle Type: Technical parameters: Value 2 Wheelbase: Screws Four-wheel Drive : Trans machined for precision.Increased strength and precision.Easy upgrade from the part Compatible with: Futaba T8FG T14SG T18sz T16sz / some JR radio transmitter colour:Yellow Material:metal size:: 0.51cm Diameter: 1.1cm The height of fixed nut: 3.8mm (short version ); 4.8mm (long version) Package Contents: 8*fixed nut 1*spanner Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real . The measurement allowed error is +/- 1-3cm.