Features: High quality durable plastic material Standard 6 bolts pattern designed for any aftermarket racing steering wheel Fitment: FITS ONLY BENZ W123 W124 W126 190E BIG HOLE with 21MM spline size ( For Non Airbags,can't not fit Nardi Steering Wheel and W201) (The Compatibility Is Just For Reference. Please Compare With Your Original One Before Purchasing ) Specifications: Material: Plastic+Metal Overall size: 120x100mm/4.72x3.94"(DxH) Steering Shaft Diameter: 21mm/0.83" Quantity: 1 Set Note: Please allow 1-3mm error due to manual measurement.pls make sure you do not mind before you bid Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package Contents: 1 x Hub Adapter 1 x Hex Wrench 6 x Screws