Sizing is a line-style Icon from Rounded Line - Streamline Material set.

The Sizing icon shows a rounded square with separate vertical and horizontal bars indicating adjustable dimensions. Drawn in the rounded line style on a 24px grid so it stays clear in compact interfaces. Use it for resize handles, dimension controls, layout tools, responsive design interfaces, and editor panels. It belongs to Rounded Line - Streamline Material set in the Streamline Material family.