We promise our products are better than the same trade occupation. Steering KnobSmooth to a rotation by the slip bearing.As drivers choice, be easy to fit or extract with beside switch, and use handle to insert with reverse if do not want to use the power handle.Material: plasticGW:12.6kg/ctnNW:11.6kg/ctn57*53*32cm/ctn100pcs/ctnFeaturesSmooth to a rotation by the slip bearing.As drivers choice, ...