There are 5 lines running horizontally equally spaced. As the lines moved down in the set each one is shorter than the one before showing a gradual decrease in over all size. Pretty much like a signal strength image but on its side
This is a Sorting icon. We've made it in iOS style
, first introduced in iOS version 7 and supported in all later releases up until now (at least iOS 11). This style is based on thin two-pixel lines and is optimized for 50x50 px. Unlike other vector icon packs that have merely hundreds of icons, this icon pack contains 13,700 icons, all in the same style and quality.