Idea of Up Down Arrow Icon
The icon has two vertical arrows facing in opposite directions. The one on the left is pointing up and the one on the right is pointing down. Each arrow has two dots located behind them at the tail.
This Up Down Arrow 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 6,200 icons, all in the same style and quality.