This icon represents chevron, It is two triangle lines separated with one on top of the other and both pointing up. It is a really simple icon with just the two lines.
This Chevron 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.