---
product_id: 22810674
title: "U 9819 Aluminum, Sliding Window Security Lock (4 Pack)"
brand: "prime-line"
price: "S/.42"
currency: PEN
in_stock: true
reviews_count: 13
category: "Prime Line"
url: https://www.desertcart.pe/products/22810674-u-9819-aluminum-sliding-window-security-lock-4-pack
store_origin: PE
region: Peru
---

# Secure thumb-turn lock Fits up to 1/8 inch rail Tool-free installation U 9819 Aluminum, Sliding Window Security Lock (4 Pack)

**Brand:** prime-line
**Price:** S/.42
**Availability:** ✅ In Stock

## Summary

> 🔐 Lock in peace of mind, unlock your lifestyle.

## Quick Answers

- **What is this?** U 9819 Aluminum, Sliding Window Security Lock (4 Pack) by prime-line
- **How much does it cost?** S/.42 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pe](https://www.desertcart.pe/products/22810674-u-9819-aluminum-sliding-window-security-lock-4-pack)

## 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

- • **Tool-Free Setup:** Install in minutes without any tools, perfect for busy professionals.
- • **Compact & Durable:** Lightweight yet robust aluminum build ensures lasting protection without bulk.
- • **Effortless Security:** Lock your sliding windows with a simple thumb turn—no keys, no hassle.
- • **Ventilation Control:** Secure windows in both closed and ventilated positions for fresh air without compromise.
- • **Sleek Aluminum Finish:** Modern, natural aluminum design blends seamlessly with your home or office aesthetic.

## Overview

The Prime-Line U 9819 Sliding Window Security Lock is a 4-pack of extruded aluminum locks designed for metal horizontal sliding windows. Featuring a secure thumb-turn screw, it fits rails up to 1/8 inch wide and installs easily without tools. Its natural aluminum finish offers a modern look while providing reliable secondary security for both closed and ventilated window positions.

## Description

This is an extruded aluminum lock with steel thumbscrew used on metal horizontal sliding windows. Allows you to lock window in the closed or ventilating position. It can fit up to a 1/8 inch wide rail. Comes in a natural aluminum finish.

Review: Toddler Proofing - My toddler is autistic and loves to pop out our windows if they are open. I love fresh air so I had to find something that worked, especially since we live in a two-story! These work great and don’t budge. I feel way more relieved now!
Review: Very sturdy! - Very satisfied with the sliding window lock I bought. Very useful and sturdy. Very easy to use and very secure.

## Features

- WINDOW LOCK – Use this lock to secure metal horizontal sliding windows in a closed or ventilating position
- SECURE – The thumb turn screw of this sliding window lock secures the lock in place
- INSTALLATION – Easily install this secondary lock with no tools required
- DIMENSIONS – The secure lock has a natural finish and can fit up to a 1/8 inch wide rail
- NOTE – Please refer to the line art drawing for dimensions and compare with your needs before purchasing (Not Universal)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00BAFIQF0 |
| Additional Features | Thumbscrew Lock |
| Best Sellers Rank | #2,118 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #3 in Window Locks & Latches |
| Brand | PRIME-LINE |
| Brand Name | PRIME-LINE |
| Color | Silver |
| Control Method | Touch |
| Controller Type | Hand Control |
| Customer Reviews | 4.4 out of 5 stars 11,644 Reviews |
| Finish Types | Aluminum |
| Global Trade Identification Number | 00049793098191 |
| Included Components | Sliding Window Security Lock |
| Item Dimensions | 0.5 x 1 x 0.44 inches |
| Item Type Name | Sliding Window Security Lock |
| Item Weight | 2.24 ounces |
| Item dimensions L x W x H | 0.5 x 1 x 0.44 inches |
| Lock Type | Window Lock |
| Manufacturer | Prime-Line Products (Home Improvement) |
| Manufacturer Part Number | U 9819 |
| Manufacturer Warranty Description | Goods are warranted against manufacturing defects for 1 year. |
| Material | Aluminum |
| Material Type | Aluminum |
| Model Name | Sliding Window Security Lock |
| Model Number | U 9819 |
| Number of Pieces | 4 |
| Recommended Uses For Product | Securing sliding windows |
| Shape | Rectangular |
| Smart Home Compatibility | Not Smart Home Compatible |
| Special Feature | Thumbscrew Lock |
| Style Name | Modern |
| UPC | 049793098191 |
| Unit Count | 4.0 Count |

## Product Details

- **Brand:** PRIME-LINE
- **Special Feature:** Thumbscrew Lock
- **Lock Type:** Window Lock
- **Item dimensions L x W x H:** 0.5 x 1 x 0.44 inches
- **Material:** Aluminum

## Images

![U 9819 Aluminum, Sliding Window Security Lock (4 Pack) - Image 1](https://m.media-amazon.com/images/I/51GsZlm1dpL.jpg)
![U 9819 Aluminum, Sliding Window Security Lock (4 Pack) - Image 2](https://m.media-amazon.com/images/I/61gtAlfLChL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Toddler Proofing
*by H***Y on April 25, 2026*

My toddler is autistic and loves to pop out our windows if they are open. I love fresh air so I had to find something that worked, especially since we live in a two-story! These work great and don’t budge. I feel way more relieved now!

### ⭐⭐⭐⭐⭐ Very sturdy!
*by J***. on April 18, 2026*

Very satisfied with the sliding window lock I bought. Very useful and sturdy. Very easy to use and very secure.

### ⭐⭐⭐⭐⭐ Perfect size
*by A***R on April 30, 2026*

Goy this product really fast works great and the price was really good

## Frequently Bought Together

- Prime-Line U 9819 Aluminum, Sliding Window Security Lock (4 Pack)
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**Shop now:** [https://www.desertcart.pe/products/22810674-u-9819-aluminum-sliding-window-security-lock-4-pack](https://www.desertcart.pe/products/22810674-u-9819-aluminum-sliding-window-security-lock-4-pack)

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*Product available on Desertcart Peru*
*Store origin: PE*
*Last updated: 2026-06-01*