---
product_id: 27207082
title: "Prime-Line U 9913 Chain Door Guard – Door Chain Lock for Door and Home Security, 3-5/16”, Solid Brass Construction and an Antique Finish (Single Pack)"
brand: "defender security"
price: "€ 26.58"
currency: EUR
in_stock: true
reviews_count: 11
category: "Defender Security"
url: https://www.desertcart.nl/products/27207082-prime-line-u-9913-chain-door-guard-door-chain-lock
store_origin: NL
region: Netherlands
---

# 3-5/16” solid brass lock body 6-inch, 8-link welded steel chain Easy install with included fasteners Prime-Line U 9913 Chain Door Guard – Door Chain Lock for Door and Home Security, 3-5/16”, Solid Brass Construction and an Antique Finish (Single Pack)

**Brand:** defender security
**Price:** € 26.58
**Availability:** ✅ In Stock

## Summary

> ⛓️ Lock in safety and style—because your home deserves the best guard! 🔒

## Quick Answers

- **What is this?** Prime-Line U 9913 Chain Door Guard – Door Chain Lock for Door and Home Security, 3-5/16”, Solid Brass Construction and an Antique Finish (Single Pack) by defender security
- **How much does it cost?** € 26.58 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/27207082-prime-line-u-9913-chain-door-guard-door-chain-lock)

## Best For

- defender security enthusiasts

## Why This Product

- Trusted defender security brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Versatile Fit:** Compact 3-5/16” size fits various door types and can be mounted over or beside door casings.
- • **Effortless Setup:** Quick, hassle-free installation with all necessary fasteners included—security within reach.
- • **Secure Your Sanctuary:** Solid extruded brass with an elegant antique finish ensures lasting durability and timeless style.
- • **Child-Safe Peace of Mind:** Install out of reach to prevent children from opening the door independently.
- • **Controlled Access, Always:** Allows door to open slightly for safe viewing and ventilation without compromising security.

## Overview

The Prime-Line U 9913 Chain Door Guard is a robust security device crafted from solid extruded brass with an antique finish, featuring a 6-inch, 8-link welded steel chain. Designed for easy installation with included fasteners, it allows safe door ventilation while preventing unauthorized entry and child access. Compact and versatile, it fits multiple door types, delivering reliable, stylish home or office security.

## Description

This U 9913 Chain Door Guard Lock is a security locking device for doors, allowing a door to be slightly opened to allow safe viewing and ventilation. This door lock can also be installed out of reach of children so they cannot open the door by themselves, providing additional child-safe door security. Installation is quick and easy with fasteners included, providing added security for your home or office doors. This door guard is constructed of extruded brass with an antique brass finish and a 6 inch, 8-link welded steel chain. The 3-5/16 inch chain guard can be used on a variety of door types and can be placed over or beside door casing. It features a 6 inch long, 8-link welded steel chain and all installation fasteners necessary for complete install.

Review: Great, Sturdy Product - Good looking, super sturdy, smooth moving chain. Pretty easy to install, the problems I had with installation were related more to the material of my door frame and door, not the actual security chain.
Review: It’s good - It’s good and decent for the price .

## Features

- SECURITY LOCKING DEVICE – This U 9913 Chain Door Guard is a security locking device for doors, allowing a door to be slightly opened to allow safe viewing and ventilation.
- CHILD-SAFE SECURITY DEVICE – This door chain lock can also be installed out of reach of children so they cannot open the door by themselves, providing additional child-safe door security.
- EASY INSTALLATION - Installation is quick and easy – additional security for your home or office doors are within reach! Installation fasteners are included.
- DURABLE CONSTRUCTION – This chain door guard is constructed of extruded brass with an antique finish and a 6”, 8-link welded steel chain. It’s strong and durable and sure to last.
- PRODUCT INFO – The 3-5/16” U 9913 Chain Door Guard can be used on a variety of door types and can be placed over or beside door casing. It features a 6-inch long, 8-link welded steel chain and all installation fasteners necessary for complete install.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000RY6RQU |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #152,579 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #448 in Door Lock Replacement Parts |
| Color | Antique Brass |
| Customer Reviews | 4.5 4.5 out of 5 stars (321) |
| Date First Available | September 9, 2006 |
| Finish | Antique Brass |
| Included Components | lock, keeper and fasteners |
| Is Discontinued By Manufacturer | No |
| Item Package Quantity | 1 |
| Item Weight | 4.6 ounces |
| Item model number | U 9913 |
| Manufacturer | Prime-Line Products (Home Improvement) |
| Material | Brass |
| Part Number | U 9913 |
| Product Dimensions | 3.31 x 3.31 x 2 inches |
| Size | 3-5/16 in. |
| Warranty Description | Goods are warranted against manufacturing defects for 1 year. |

## Images

![Prime-Line U 9913 Chain Door Guard – Door Chain Lock for Door and Home Security, 3-5/16”, Solid Brass Construction and an Antique Finish (Single Pack) - Image 1](https://m.media-amazon.com/images/I/61hwuT41w5L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great, Sturdy Product
*by A***. on July 5, 2021*

Good looking, super sturdy, smooth moving chain. Pretty easy to install, the problems I had with installation were related more to the material of my door frame and door, not the actual security chain.

### ⭐⭐⭐⭐⭐ It’s good
*by A***L on September 3, 2025*

It’s good and decent for the price .

### ⭐⭐⭐⭐⭐ Great lock
*by L***G on May 27, 2025*

Worked perfectly

## Frequently Bought Together

- Prime-Line U 9913 Chain Door Guard – Door Chain Lock for Door and Home Security, 3-5/16”, Solid Brass Construction and an Antique Finish (Single Pack)
- Prime-Line U 10533 Antique Brass Chain Door Guard (Single Pack)
- Prime-Line U 9899 Swing Bar Lock for Hinged Swing-In Doors – Secondary Security Lock for Door & Security, 3-7/8” Bar Length, Diecast Zinc Construction w/ Antique Brass Finish (Single Pack)

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**Shop now:** [https://www.desertcart.nl/products/27207082-prime-line-u-9913-chain-door-guard-door-chain-lock](https://www.desertcart.nl/products/27207082-prime-line-u-9913-chain-door-guard-door-chain-lock)

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*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-02-28*