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: Cars Technical parameters: Value 2 Wheelbase: Screws Four-wheel Drive : Trans CNC machined for precision.Increased strength and precision.Easy upgrade from the part Compatible with: Futaba T8FG T14SG T18sz T16sz / some JR radio transmitter colour:Red Material:metal size:Aperture: 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 products are not included. Note: Light reflection 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.