?For more convenient operation of steering wheel， have a try with our Car Steering Wheel Knob Auxiliary Booster Control Handle Ball! Bearing-mounted power handle helps you control your car to back up， turn and park easily. With smooth surface and round shape， it fits comfortably in the palm of your hand. Stainless steel clamp with rubber ring insert securely attaches to the car steering wheel without scratching it. Universal design is suitable for most steering wheels in cars， trucks or boats. Don’t hesitate to get one!                                    Features             Designed for more convenient operation of steering wheel<br> Bearing-mounted power handle helps you control your car to back up， turn and park easily<br> Smooth surface and round shape， fit comfortably in the palm of your hand<br> Stainless steel clamp with rubber ring insert<br> Securely attach to the car steering wheel without scratching it<br> Universal design， suitable for most steering wheels in cars， trucks or boats<br> Easy to install <br>                                                            Specifications             Material     PC & ABS & Metal    <br> Dimensions     (3.35 x 2.20 x 2.20)" / (8.5 x 5.6 x 5.6)cm (L x W x H)    <br> Weight     5.29oz / 150g    <br> Color     Black       <br>                                                             Package Includes            1 x Car Steering Wheel Knob <br>