These icons are for the scroll-down bar on the top of your screen. Please be more specific in your naming of things, "Android 4.1 Jelly Bean Icon Set" isn't very descriptive. I think a lot of people here were looking for app and launcher icons (phone, SMS, etc). Thanks
Is ti free to use in rainmeter suites. I'll credit your da profile and this page. Btw i used it on my mini suite, but asking permission for the another project which is in development, and yeah ofcourse both are free.