This Steering Wheel Assistive Ball is well made of premium material for durable and practical use Steering wheel mount alloy material, the above dial is plating Generally drive cornering always hard 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: Blue,red,silver,black- Material: Metal - Size: 6x7x6cm - Fine workmanship, delicate design and superior quality - More leverage and quicker turning response - The installation process is easy and requires no tools - Power ball can rotate 360 degrees, easy to operate - The inside of the bayonet 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 Package Including1 x steering wheel knob