Product Item: The product is steering wheel horn button, The outside diameter is 11.3cm/4.45inch, Center Button Diameter is 7.6cm/2.99inchMaterial: The steering wheel horn button is made of aluminum alloy material, is sturdy, and long service timeHigh Performance: Professional manufacturing steering wheel horn button, sturdy and stable performance, suitable for 9 hole steering wheelsDirectly Replace: Directly replace the old or broken steering wheel horn button Easy To Install: The steering wheel horn button is easy to install and does not require complex steps to complete the installation Specification: Material: Aluminum alloy Size Chart: Outside Diameter: 11.3 cm/4.45 inchCenter Button Diameter: 7.6 cm/2.99 inchPacking Size: 13.5 cm x 11 cm x 5 cm/5.31 inch x 4.33 inch x 1.97inch Package Includes: 1xSteering Wheel Horn Button Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.