Material : RC airplane model aircraft parts are made of high quality stainless steel material, durable and easy to use.
Replacement Part : A good accessories for remote control aircraft, it is used to replace damaged parts, and update. Can provide you with a better gaming experience.
3.1mm Wheel Seat : Outer diameter: 0.3'', inner diameter: 0.12'', height: 0.16''. suitable for 2mm thick steel wire or axle, used to assemble RC aircraft, and plays the role of fixing aircraft accessories.
2.1mm Wheel Seat : Outer Inner Diameter: 2.1mm/0.08"; Outer Diameter: 6mm/0.24"; Height: 5.5mm/0.22". suitable for 2mm thick steel wire or axle, used to assemble RC aircraft, and plays the role of fixing aircraft accessories.
uitable for: Suitable for fixed, wing model remote control aircraft, has widely used.The fixing screw is locked firmly and will not fall off accidentally.