Detail this asset from Unity Store: Original Link
This is a paid asset, but now you can download High Quality Reflective Metal Pack 1 Free.
High Quality Reflective Metal Pack 1 v1.1
In this asset I have included high quality textures and materials of reflective metal surfaces.
The realistic effect is accurate thanks to the normal maps and specular images, included in this package.
If you are interested in other high quality materials feel free to contact me by email: [email protected]
Further information about me can be found in my personal website,