Feature 1Wide Application: This driving knob compatible with most cars steering wheels which thickness is 1.3in. Fit most cars trucks tractors boats. 2Function: The steering wheel spinner knob could reduce the resistance of steering, also able to reduce the driver's tired during long time driving, ensure safe driving. 3Unique Design: The steering wheel knob spinner with dice shape looks cool and fashion, its punk style could also add your car interior more creative and ambiance. 4Durable Use: This steering power handle is made of premium resin and metal alloy, durable construction for long time use. And its smooth surface could offer more comfortable experience. 5Easy Installation: Easy to install this steering wheel ball, just takes you a few minutes to tighten screw nuts with hands or a wrench. Ready to use, convenient and fast.Item Type:Steering Wheel SpinnerMaterial: Metal alloy + resinFixing Ring Diameter: Approx. 3cm/1.3inFitment: Fit for most car steering wheels, but also fit most cars trucks tractors boats .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Steering Wheel Spinner