It's an image of a toolbox. Is a rectangle with a horizontal line through the center about one third of the way form the top. There are two small rectangles on the horizontal line representing locks. Centered on top of the box is a small rectangle representing a handle.
This Toolbox icon is made in flat color style
. This format was developed by Icons8 designer team and became immensely popular for use in web and mobile applications. Feel free to download this icon in PNG format for free, or unlock other formats for $5. Unlike other icon packs that have merely hundreds of icons, this monster icon pack contains 6,200 icons, all in the same style and quality.