This free icon set is available as is. It was published several years ago, and no updates or additions will be made. It is now common practice to use CSS icons on websites rather than image-based icons.
This set of 100 black, circle social media icons includes icons for RSS, Facebook, Twitter, Pinterest and Instagram. There are 20 popular social media icons in five different sizes.
How to Add Social Media Icons to Your Website
Not sure what to do with the social media icons after you download them? Here are instructions on how to add social media icons to your website.