Compatible with multiple models: This replacement key shell is designed to compatible with Alfa Romeo 145 146 147 156 159 164 166, providing a convenient replacement option for a range of vehicles. Durable materials: The cover is made of high-quality ABS material, which is highly resistant to chemicals, heat, corrosion, and impact. Copper key blade: The key blade is made of copper and will need to be cut by a local locksmith/dealer, or you can replace it with the original blade. Easy installation: This replacement key shell is easy to install, and you can easily move the internal components from the old remote to the new shell. This can significantly reduce maintenance costs. No electronic components included: Please note that this package includes o.