“The icons we created for you are clean and simple, ready to be used in websites, blogs, web applications, and everything else that you can imagine. There are 10 icons in the set for popular web services like Twitter and Facebook.
This icon pack includes the vector source files (AI) of each icon so that you can easily edit and scale the icons with no loss in quality. It also comes with PNG files with sizes at 256×256px.”
You can find the download file @ SIXREVISIONS.