Fangrui Product Details Use: Vehicles Remote Control Toys Rc Parts Accs: Mitters 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 Attributes: Cnc Machined For Precision.increased Strength And Precision.easy Upgrade From The Part Compatible With: Futaba T8fg T14sg T18sz T16sz / Some Jr Radio Mitter Colour:yellow/red/blue 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 Shooting 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.