---
title: "Lock 4 Icon | Free Download PNG & SVG | Ultimate Regular"
product: "Streamline Icons, Illustrations and Elements"
url: /icons/download/lock-4--8995
canonical_url: "https://www.streamlinehq.com/icons/download/lock-4--8995"
summary: "Clean line icon of a round lock with an arched shackle and vertical keyhole. Used for security, privacy, and access controls."
---

# Lock 4 icon

The Lock 4 icon shows a round lock body with an arched shackle and a centered vertical keyhole. Drawn in the line style on a 24px grid with a 1.5px stroke so it stays clear at small sizes. Use it for security settings, privacy controls, login screens, permissions, and access management. It belongs to Ultimate Regular set in the Ultimate family.

## Preview

![Clean line icon of a round lock with an arched shackle and vertical keyhole. Used for security, privacy, and access controls.](https://assets.streamlinehq.com/image/private/w_240,h_240,ar_1/f_auto/v1/icons/streamline-regular/interface-essential/lock-unlock/lock-4-vazb0mflljbalbqclv4v.png?_a=DATAiZkSZAA0)

## Details

- **Name**: Lock 4
- **Type**: Icon
- **Set**: [Ultimate Regular](/icons/streamline-regular.md) — Icon encyclopedia with every concept. Regular style prioritizes simplicity, adapts to light/dark backgrounds. 
- **Family**: [Ultimate](/icons/ultimate-sets.md) — The encyclopedia of icons
- **Style**: Line, Minimal, Stroke
- **Category**: Interface Essential › Lock Unlock
- **Default size**: 24px
- **Stroke width**: 1.5px
- **Pricing**: Pro
- **License**: [Commercial](https://home.streamlinehq.com/license-premium)
- **Author**: [Streamline](https://home.streamlinehq.com/)
- **Formats**: PNG, WEBP, PDF, SVG, JSX
- **Tags**: lock, locked, unlock, keyhole, secure, security, padlock, protection, safety, privacy, guard, safeguard, encrypted, password, combo, key, lock unlock, combination, circle, round

## Download

- [Download Lock 4 on Streamline](https://www.streamlinehq.com/icons/download/lock-4--8995)

## Also available in other styles

- [Lock 4 — Ultimate Colors](/icons/download/lock-4--19594.md) (Pro)
- [Lock 4 — Ultimate Duotone](/icons/download/lock-4--15799.md) (Pro)
- [Lock 4 — Ultimate Bold](/icons/download/lock-4--7533.md) (Pro)
- [Lock 4 — Ultimate Light](/icons/download/lock-4--8264.md) (Pro)

---

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