---
title: "Block 1 Icon | Free Download PNG & SVG | Flex Duo"
product: "Streamline Icons, Illustrations and Elements"
url: /icons/download/block-1--24560
canonical_url: "https://www.streamlinehq.com/icons/download/block-1--24560"
summary: "Clean duotone icon of a circle crossed by a diagonal slash. Used for prohibition, disabled options, and blocked actions."
---

# Block 1 icon

The Block 1 icon shows a circular outline crossed by a diagonal slash. Drawn in the duotone style on a 14px grid with a 1px stroke for a fluid, clear appearance. Use it for blocked actions, prohibited content, disabled controls, access restrictions, and unavailable options. It belongs to Flex Duo set in the Flex family.

## Preview

![Clean duotone icon of a circle crossed by a diagonal slash. Used for prohibition, disabled options, and blocked actions.](https://assets.streamlinehq.com/image/private/w_240,h_240,ar_1/f_auto/v1/icons/add-remove-delete/block-1-2x7mfblxrgy1mecju1x9hl.png/block-1-4ean6o4wbv3ll48n8lahf.png?_a=DATAiZkSZAA0)

## Details

- **Name**: Block 1
- **Type**: Icon
- **Set**: [Flex Duo](/icons/flex-duo.md) — Flex is all about the curves. Its smooth curves brings fluidity and dynamism to your designs with a modern appeal. The Duo style is perfect for projects that require differentiation between actions, using color to convey meaning effectively. It also allows you to customize the line thickness. All Flex Duo icons are designed on a 14px grid with a 1px default stroke and two customizable colors.
- **Family**: [Flex](/icons/flex.md) — Fluid icons
- **Style**: Duo, Filled, Stroke
- **Category**: Interface Essential › Add Remove Delete
- **Default size**: 14px
- **Stroke width**: 1px
- **Pricing**: Pro
- **License**: [Commercial](https://home.streamlinehq.com/license-premium)
- **Author**: [Streamline](https://home.streamlinehq.com/)
- **Formats**: PNG, WEBP, PDF, SVG, JSX
- **Tags**: block, prohibit, restricted, forbidden, accessdenied, delete, remove, stop, noentry, ban, negative, circle, nogo, noparking, edit, trash, garbage

## Download

- [Download Block 1 on Streamline](https://www.streamlinehq.com/icons/download/block-1--24560)

## Also available in other styles

- [Block 1 — Flex Line](/icons/download/block-1--24511.md) (Pro)
- [Block 1 — Flex Remix](/icons/download/block-1--28512.md) (Pro)
- [Block 1 — Flex Gradient](/icons/download/block-1--27701.md) (Pro)
- [Block 1 — Flex Flat](/icons/download/block-1--24721.md) (Pro)
- [Block 1 — Flex Neon](/icons/download/block-1--30390.md) (Pro)
- [Block 1 — Flex Pop](/icons/download/block-1--31273.md) (Pro)
- [Block 1 — Flex Solid](/icons/download/block-1--24351.md) (Pro)

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