Features:Can increase torque of the steering wheel.Personalizes your vehicle and provides alternative methods for steering.They are constructed out of premium quality ABS for years of trouble free use.With rubber band to protect your steering wheel.It attaches to most steering wheels with a strong grip.The classic black color and smooth retro look will enhance your car interior.Specification:Material: ABS + Rubber band + Metal clipColor: BlackSize: 3.35in x 1.97inWeight: Approx.130gPackage includes:1 x steering wheel spinner knob