This is an icon for Spinner Frame 2. It has different sizes of circles. The different sizes of circles are arranged from the largest to the smallest. It has a total of eight circle that make the large circle.
This Loader icon is made in Material Design style
developed by Google. This style is based on extremely simplified shapes, thin two-pixel lines, and is optimized for 24x24 px. Unlike other vector icon packs that have merely hundreds of icons, this icon pack contains 5,700 icons, all in the same style and quality.