1、Special designed for Wltoys 12428 12423 RC car model. 2、Reasonable design, high efficiency to reduce unnecessary kinetic energy loss 3、Made of metal material, strong and durable, having long service time. 4、Perfect replacement of original parts, improve the performance of the vehicle 5、Including 16pcs in total to meet your different demands. Features: 1. Special designed for Wltoys 12428 12423 RC car model. 2. Reasonable design, high efficiency to reduce unnecessary kinetic energy loss 3. Made of metal material, strong and durable, having long service time. 4. Perfect replacement of original parts, improve the performance of the vehicle 5. Including 16pcs in total to meet your different demands. Specification: Condition: 100% Brand New Material: Metal Color: As Pictures Show Suitable: for Wltoys 12428 12423 Size: Approx. 2.5*2.5*0.6cm/0.98*0.98*0.24in Package List: 16 * Metal Gear Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.