---
title: "Block 1 Icon | Free Download PNG & SVG | Core Line"
product: "Streamline Icons, Illustrations and Elements"
url: /icons/download/block-1--23574
canonical_url: "https://www.streamlinehq.com/icons/download/block-1--23574"
summary: "Clean line icon of a circle with a diagonal slash. Used for prohibition, disabled states, and restricted access."
---

# Block 1 icon

The Block 1 icon shows a circle crossed by a diagonal slash. Drawn in the Core Line style on a 14px grid with a 1px stroke for clear, airy spacing. Use it for prohibition signs, disabled states, restricted access, and blocked actions. It belongs to Core Line set in the Core family.

## Preview

![Clean line icon of a circle with a diagonal slash. Used for prohibition, disabled states, and restricted access.](https://assets.streamlinehq.com/image/private/w_240,h_240,ar_1/f_auto/v1/icons/add-remove-delete/block-1-9mq8m84wktbm2xan60iwae.png/block-1-lowmxbvs1ujiex1sry6xm.png?_a=DATAiZkSZAA0)

## Details

- **Name**: Block 1
- **Type**: Icon
- **Set**: [Core Line](/icons/core-line.md) — Core is the Helvetica of icons. Each icon is stripped to its essential form and has generous inner spacing. The Line variant offers a clean, minimalist approach with consistent line weights.
- **Family**: [Core](/icons/core-sets.md) — Minimal icons
- **Style**: Line, Minimal, Stroke, Wireframe
- **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, prohibition, prohibited, noentry, forbidden, blocked, ban, restricted, notallowed, stop

## Download

- [Download Block 1 on Streamline](https://www.streamlinehq.com/icons/download/block-1--23574)

## Also available in other styles

- [Block 1 — Core Remix](/icons/download/block-1--28878.md) (Pro)
- [Block 1 — Core Solid](/icons/download/block-1--23744.md) (Pro)
- [Block 1 — Core Neon](/icons/download/block-1--30554.md) (Pro)
- [Block 1 — Core Gradient](/icons/download/block-1--28325.md) (Pro)
- [Block 1 — Core Flat](/icons/download/block-1--23995.md) (Pro)
- [Block 1 — Core Duo](/icons/download/block-1--24077.md) (Pro)
- [Block 1 — Core Pop](/icons/download/block-1--31456.md) (Pro)

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