Car Steering Wheel Booster 360 Degree Rotation Steering Wheel Knob Ball Labor-saving One Hand Steering Booster Description: [product name]: B1 steering wheel booster [product color]: black [product size]: about 6.2*7*1.3cm [product material]: PC * ABS * metal steel * silica gel [net weight]: About 80g [product packaging]: color box [product acceories]: one hexagon wrench [applicable models]: General [installation method]: 1 Take out the power ball 2 Buckle at the position to be installed (according to personal preference) 3 Reinforce with screws 4 Installation is completed (please try whether the rotation is smooth and the fixation is tight) [package size]: about 10 * 8 * 6cm [product use]: use the steering wheel to save labor [product features]: one hand steering aid, second old driver Specifications: [more labor-saving]: operate with one hand, complete at one go, bid farewell to both hands, quickly turn the steering wheel, control at will and turn with le effort [smooth rotation]: with built-in metal bearing, rotate 360 degrees smoothly and refuse to get stuck [anti slip silica gel]: high quality silica gel is not easy to slip. The power ball rotates and the steering is safer [convenient installation]: simple operation and fast installation [precautions]: it is applicable to the vehicle with power aisted. It is only used at a speed of le than 20 kilometers per hour. Before driving each time, please confirm that the power aisted ball is in a fixed state. Xu holds the steering wheel with both hands when driving. This product cannot be used in an emergency Package Included: 1 * steering wheel booster 1 * hexagon wrench