1. Material: ABS + stainless steel ring
2. Applicable models: basic models universal
3. Can be operated with one hand, smooth and labor-saving
4. Booster drive driving steering wheel, make driving more convenient
5. 360 degrees flexible rotation, control freely
6. Ergonomic design, fit the arc of the palm
7. Simple installation, no need for other complex tools
8. Weight: about 110g