20 Pcs Cars Toy RC Helicopters

20 Pcs Remote Control Helicopter Rc Helicopters Brass Gear Small Modulus The high- quality copper material makes the pinion with excellent performance, this set of gears can fully meet the needs of RC lovers. FeaturesThe Pinion Gear also suitable for DIY science and small ...20 Pcs Remote Control Helicopter Rc Helicopters Brass Gear Small Modulus The high- quality copper material makes the pinion with excellent performance, this set of gears can fully meet the needs of RC lovers. FeaturesThe Pinion Gear also suitable for DIY science and small production, product design, mechanical model.

The motor pinion gear is suitable for DIY model production technology. This is the most commonly used shaft gear, which is light and easy to use. The Pinion gears brass is an excellent tool for DIY car, robot, model making accessories.

It has smooth and stable performance and provides a smooth experience.- Color: Golden- Material: Copper- Size: 0.20 × 0.20 × 0.20 inch. Package Including 20 x copper pinionsIn the Box20 x copper pinions