Made of plastic material with metal bearing, durable and flexible to use. 360 degree rotating contact part enhances comfort and safety while driving. Which makes driving long distances easier. It can reduce the turning radius and help beginners and female drivers drive safely and comfortably when turning. Compatible with all types of cars and vehicles such as sedans, sedans, trucks, SUVs, etc. Ball-shaped design with anti-slip surface is comfortable to grip. Stylish appearance design makes your car more elegant. Features: Made of plastic material with metal bearing, durable and flexible to use. 360 degree rotating contact part enhances comfort and safety while driving. Which makes driving long distances easier. It can reduce the turning radius and help beginners and female drivers drive safely and comfortably when turning. Compatible with all types of cars and vehicles such as sedans, sedans, trucks, SUVs, etc. Ball-shaped design with anti-slip surface is comfortable to grip. Stylish appearance design makes your car more elegant. Specifications: Material: Plastic, Metal Color: Black Size(L x W x H): About 50 x 22 x 63mm Package Contents: 1pc x Rotary Knob. Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 0.5-2cm difference due to manual measurement.