This image depicts a ball winder. There is a rectangle on the bottom with a piece connected to the left side of it. Surrounding this piece is a rounded rectangle with criss-crossing lines in it.
This Spool 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.