---
product_id: 2308961
title: "Prime-Line U 9847 Patio Sliding Door Loop Lock – Increase Home Security, Install Additional Child-Safe Security, 2-1/8 In. Hardened Steel Bar with Diecast Base, Chrome Plated (Single Pack)"
brand: "prime-line"
price: "€ 19.36"
currency: EUR
in_stock: true
category: "Prime Line"
url: https://www.desertcart.pt/products/2308961-prime-line-u-9847-patio-sliding-door-loop-lock-increase
store_origin: PT
region: Portugal
---

# 2-1/8 inch hardened steel bar Child-safe higher placement option Includes mounting hardware for quick install Prime-Line U 9847 Patio Sliding Door Loop Lock – Increase Home Security, Install Additional Child-Safe Security, 2-1/8 In. Hardened Steel Bar with Diecast Base, Chrome Plated (Single Pack)

**Brand:** prime-line
**Price:** € 19.36
**Availability:** ✅ In Stock

## Summary

> 🔐 Lock in safety and style—because your home deserves the best.

## Quick Answers

- **What is this?** Prime-Line U 9847 Patio Sliding Door Loop Lock – Increase Home Security, Install Additional Child-Safe Security, 2-1/8 In. Hardened Steel Bar with Diecast Base, Chrome Plated (Single Pack) by prime-line
- **How much does it cost?** € 19.36 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/2308961-prime-line-u-9847-patio-sliding-door-loop-lock-increase)

## Best For

- prime-line enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Hardened steel loop with chrome-plated diecast base ensures corrosion resistance and long-term durability.
- • **Effortless Installation:** Comes with all necessary mounting hardware for a fast, hassle-free setup—no professional needed.
- • **Fortify Your Sliding Door:** Add a robust secondary lock to deter unauthorized entry and elevate home security instantly.
- • **Child-Safe Security Upgrade:** Install higher on the door to keep curious little ones safe from unsupervised outdoor access.
- • **Precision Fit for Peace of Mind:** 2-1/8 inch reach designed to securely lock your sliding door panel to the jamb—check compatibility for perfect fit.

## Overview

The Prime-Line U 9847 Patio Sliding Door Loop Lock is a durable, chrome-plated secondary locking device designed to enhance sliding door security and child safety. Featuring a hardened steel bar with a 2-1/8 inch reach and a diecast mounting base, it offers corrosion resistance and easy installation with included hardware. Ideal for homeowners seeking a quick, reliable upgrade to their patio door security.

## Description

Product Description Add an extra layer of protection to your home with the Defender Security U 9847 Patio Sliding Door Loop Lock. Designed as a secondary locking device, this loop lock upgrades sliding patio door security by helping prevent unauthorized entry. It’s an ideal solution for homeowners looking to reinforce existing door locks without replacing their entire system. This loop lock also provides an added level of child safety by allowing installation higher on the door, keeping it out of reach of small children. This helps prevent unsupervised access to outdoor areas, making it a practical option for families concerned about safety. Constructed from hardened steel with a nickel-plated finish, the locking bar delivers strength and durability you can rely on. The included diecast mounting bracket and keeper are also nickel-plated for corrosion resistance and long-lasting performance. Designed to secure the sliding door panel to the jamb, the lock provides a stable and secure hold when engaged. Installation is quick and straightforward, with all necessary mounting hardware included. Whether used in residential or light commercial settings, this patio door loop lock is a simple and effective way to boost door security and peace of mind. The 2-1/8 inch reach ensures proper engagement for compatible door setups. Be sure to review the line drawing to confirm fit before purchasing. From the Manufacturer This patio sliding door loop lock is constructed of a hardened locking bar and a diecast mounting plate and keeper. The locking bar and plates of this lock come finished in a chrome plating and all required fasteners are included. This locking device features a 2-1/8 in. reach which is designed to secure the door to the jamb for increased safety of the home. This sliding door loop lock is easy to install and is used by many. This item is also available in 1-1/8 in., 1-3/16 in., 1-7/16 in., and 2-1/4 in. reaches.

## Features

- Secondary Door Security: Adds extra protection to sliding patio doors to help prevent unauthorized entry
- Child-Safe Option: Can be installed higher on door to limit access and improve safety for households with children
- Heavy-Duty Construction: Hardened steel loop with diecast bracket and nickel-plated finish for durability
- Installation: Includes mounting hardware for quick and simple setup on door and jamb
- 2-1/8 inch Reach Design: Secures door panel to jamb; verify dimensions for proper fit (not universal)
- Used on patio sliding door systems as a secondary security locking device
- 2-1/8 in reach
- Chrome plated finish
- Hardened steel locking bar with diecast constructed mounting plate and keeper

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B004AHVA5S |
| Additional Features | Weather Resistant |
| Best Sellers Rank | #16,774 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #11 in Door Lock Replacement Parts |
| Brand Name | PRIME-LINE |
| Color | Chrome |
| Control Method | Touch |
| Controller Type | Hand Control |
| Customer Reviews | 4.6 4.6 out of 5 stars (8,654) |
| Finish Types | Satin Nickel |
| Global Trade Identification Number | 00049793098474 |
| Included Components | lock, keeper and fasteners |
| Item Dimensions | 0.63 x 3.13 x 4.56 inches |
| Item Type Name | Loop lock |
| Item Weight | 136 Grams |
| Lock Type | Loop lock |
| Manufacturer | Prime-Line Products (Home Improvement) |
| Manufacturer Part Number | U 9847 |
| Manufacturer Warranty Description | Goods are warranted against manufacturing defects for 1 year. |
| Material Type | Alloy Steel |
| Model Name | Sliding Door Loop Lock |
| Model Number | U 9847 |
| Number of Pieces | 1 |
| Recommended Uses For Product | Door |
| Shape | Rectangular Prism |
| Smart Home Compatibility | Not Smart Home Compatible |
| Style Name | Sliding Door |
| UPC | 049793098474 |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** PRIME-LINE
- **Item dimensions L x W x H:** 0.63 x 3.13 x 4.56 inches
- **Lock Type:** Loop lock
- **Material:** Alloy Steel
- **Special Feature:** Weather Resistant

## Images

![Prime-Line U 9847 Patio Sliding Door Loop Lock – Increase Home Security, Install Additional Child-Safe Security, 2-1/8 In. Hardened Steel Bar with Diecast Base, Chrome Plated (Single Pack) - Image 1](https://m.media-amazon.com/images/I/61ZQPllmXmL.jpg)

## Available Options

This product comes in different **Size** options.

## Frequently Bought Together

- Prime-Line U 9847 Patio Sliding Door Loop Lock – Increase Home Security, Install Additional Child-Safe Security, 2-1/8 In. Hardened Steel Bar with Diecast Base, Chrome Plated (Single Pack)
- Prime-Line U 9846 Patio Sliding Door Loop Lock – Increase Home Security, Install Additional Child-Safe Security, 1-1/8 In. Hardened Steel Bar with Diecast Base, Nickel Plated (Single Pack)
- SDGINA Sliding Door Security Lock - Sliding Patio Door Lock for Glass Doors, Child Safety Foot Locks (Sliding Glass Door Lock, 1, Count)

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*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-07-04*