Features: brand new and high quality Made of highquality materials, fine workmanship, strong and durable, and long service life compatible for MN86K MN86KS 1/12 RC Remote Control Car. Easy to install, no complicated tools are needed, practical and convenient, small size, light weight, will not increase the burden on the crawler. Professional manufacturing, stable performance, mainly used to change the engine speed and torsion to improve the performance of the car. It is easy and convenient to install, Nice replacement accessory for the old or broken transfer for case, easy to replace and convenient to use, practical accessory. Portable size, easy to carrya dn storage, and convenietn to transport. Specifications: Material:Metal Color:Red, Black and Silver Size: Approx. 4.5x3.8x3.5 for cm/1.77x1.5x1.38 inches Package Includes: 1 x RC Car Transfer for Case 4 x Screws note: 1.Please allow 0-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. 4.Other parts are not included. Thanks for your understanding.