Features: Brand new and high quality It have a highly speed design of 4300KV, which provides strong power output and is suitable for model applications. Miniature model brushless Motor, suitable for micro model. Adopting brushless Motor technology, it runs more smooth and have lower noise, providing a comfortable use experience. Highly efficiency design, electricity saving, providing stable power output. Easy installation: Simple design, easy installation in all kind of aircraft model equipment, convenient and fast. Specifications: Material:Metal Dia:Approx.9mm/0.35inch Package Includes: 1Pc Brushless Motor note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.