---
title: "Unknown 2 Icon | Free Download PNG & SVG | Outlined Line - Material Symbols"
product: "Streamline Icons, Illustrations and Elements"
url: /icons/download/unknown-2--30001
canonical_url: "https://www.streamlinehq.com/icons/download/unknown-2--30001"
summary: "Clean line icon of a diagonally split circle, plus upper left and minus lower right. Used for add/remove and split views."
---

# Unknown 2 icon

The Unknown 2 icon shows a circle divided by a diagonal line, with a plus sign in the upper-left section and a minus sign in the lower-right. Drawn in the line style on a 24px grid so it remains crisp at small sizes. Use it for add/remove controls, comparison interfaces, split views, and adjustment tools. It belongs to Outlined Line - Material Symbols free set in the Google Material family.

## Preview

![Clean line icon of a diagonally split circle, plus upper left and minus lower right. Used for add/remove and split views.](https://assets.streamlinehq.com/image/private/w_300,h_300,ar_1/f_auto/v1/icons/photo-image/unknown-2-e5a82lt7gsay8lcar6l7kc.png/unknown-2-fr9krpzlij9re1wsjvgui8.png?_a=DATAiZkSZAA0)

## Details

- **Name**: Unknown 2
- **Type**: Icon
- **Set**: [Outlined Line - Material Symbols](/icons/material-symbols-outlined-line.md) — Material Symbols by Google - free customizable icon set with icons in outlined, rounded, and sharp variants.
- **Family**: [Google Material](/icons/material-symbols.md)
- **Style**: Line, Outlined, Geometric
- **Category**: Photo Image › Photo Image
- **Default size**: 24px
- **Pricing**: Free
- **License**: [Apache](https://www.apache.org/licenses/LICENSE-2.0.txt)
- **Author**: [Google](https://fonts.google.com/icons)
- **Formats**: PNG, WEBP, PDF, SVG, JSX
- **Tags**: plus, minus, brightness, contrast, polarity, light, dark, settings, adjustment, control, balance, duality, opposite, toggle, display, positive, negative, unknown

## Download

- [Download Unknown 2 on Streamline](https://www.streamlinehq.com/icons/download/unknown-2--30001)

## Also available in other styles

- [Unknown 2 — Sharp Line - Material Symbols](/icons/download/unknown-2--29909.md) (Free)
- [Unknown 2 — Rounded Line - Material Symbols](/icons/download/unknown-2--29951.md) (Free)

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