This Sprężyna mechaniczna 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 4,300 icons, all in the same style and quality.
This icon is a series of circles spaced closely together drawn on their side overlapping each other, the final circle is only half completed. There are four complete circles and the fifth uncomplete. They are drawn to look like a spring.