This item is well made of for durable and practical use. Steering wheel mount alloy material, the above dial is plating. Generally drive cornering to turn, if there is a steering wheel aids, turning easy, the turntable can rotate 90 degrees. With the dynamic and sporty design, this product allows to provide the much-needed support for controlling car steering wheels safely, conveniently and effectively. The installation process is easy and requires no tools. Feature - Color: Red - Material: Metal. - Size: 6x7x6cm. - Fine workmanship, delicate design and quality. - More leverage and quicker turning response. - The installation process is easy and requires no tools. - can rotate 360 degrees, easy to operate. - The inside of with a rubber ring to avoid scratching the steering wheel. - Install to the steering wheel, increase the steering wheel arm, thereby increasing the role of torque. - Warm Tip: Dear buyer, Due to lighting effect,monitor's brightness,manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. sincerely hope that you can understand! Thank you! Package list: 1 x steering wheel knob