---
product_id: 346176252
title: "Prime-Line Products U 9819 Sliding Window Security Lock, Economy, Aluminum,(Pack of 4)"
brand: "prime-line"
price: "€ 29.57"
currency: EUR
in_stock: false
reviews_count: 5
category: "Prime Line"
url: https://www.desertcart.fi/products/346176252-prime-line-products-u-9819-sliding-window-security-lock-economy
store_origin: FI
region: Finland
---

# Secure thumb-turn screw lock Fits up to 1/8 inch rail width Tool-free quick installation Prime-Line Products U 9819 Sliding Window Security Lock, Economy, Aluminum,(Pack of 4)

**Brand:** prime-line
**Price:** € 29.57
**Availability:** ❌ Out of Stock

## Summary

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

## Quick Answers

- **What is this?** Prime-Line Products U 9819 Sliding Window Security Lock, Economy, Aluminum,(Pack of 4) by prime-line
- **How much does it cost?** € 29.57 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/346176252-prime-line-products-u-9819-sliding-window-security-lock-economy)

## 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

- • **Tailored Fit:** Designed specifically for metal horizontal sliding windows with up to 1/8 inch rail width—know your fit, avoid compromises.
- • **Effortless Security:** Lock your sliding windows in closed or ventilated mode with a simple thumb-turn mechanism.
- • **No Tools, No Hassle:** Install all four locks in minutes—no drills or screwdrivers needed, perfect for busy professionals.
- • **Compact & Lightweight:** Each lock measures just 1.27 x 2.54 x 1.11 cm and weighs 63.5 g, offering robust security without bulk.
- • **Sleek Aluminum Finish:** Modern, natural aluminum design blends seamlessly with your window frames for a discreet yet sturdy look.

## Overview

The Prime-Line U 9819 Sliding Window Security Lock is a pack of four compact, aluminum locks designed to secure metal horizontal sliding windows. Featuring a durable thumb-turn screw for easy locking in both closed and ventilated positions, these locks install tool-free and fit rails up to 1/8 inch wide. With a sleek natural finish and lightweight design, they offer an effective, hassle-free security upgrade for modern homes and offices.

## 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: Works as it should and help my sideways sliding windows locked. Pros; Very easy to use/install Cons; There are no cons for something this simple
Review: Simple, inexpensive yet effective solution for preventing windows from being slid open. Took me just a few minutes to install all 4

## 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 |
| Best Sellers Rank | #147,509 in Home Improvement ( See Top 100 in Home Improvement ) #159 in Window Locks & Latches |
| Brand | Prime-Line |
| Colour | Silver |
| Connectivity Protocol | Wi-Fi |
| Control Method | Touch |
| Controller Type | Key Control |
| Country of Origin | USA |
| Finish Type | Aluminum |
| Generic Name | Sliding Window Security Lock |
| Global Trade Identification Number | 00049793098191 |
| Included Components | Sliding Window Security Lock |
| Item Dimensions LxWxH | 13 x 25 x 11 Millimeters |
| Item Weight | 63.5 g |
| Item dimensions L x W x H | 13 x 25 x 11 Millimeters |
| Item model number | U 9819 |
| Lock Type | Key Lock |
| Manufacturer | Prime-Line Products (Home Improvement) |
| Material | Aluminium |
| Model Name | Sliding Window Security Lock |
| Net Quantity | 4.0 Count |
| Number of Pieces | 4 |
| Product Dimensions | 1.27 x 2.54 x 1.11 cm; 63.5 g |
| Recommended Uses For Product | Securing sliding windows |
| Shape | Rectangular |
| Special Feature | Thumbscrew Lock |
| Style | Modern |
| UPC | 049793098191 |

## Product Details

- **Brand:** Prime-Line
- **Item dimensions L x W x H:** 13 x 25 x 11 Millimeters
- **Lock Type:** Key Lock
- **Material:** Aluminium
- **Special Feature:** Thumbscrew Lock

## Images

![Prime-Line Products U 9819 Sliding Window Security Lock, Economy, Aluminum,(Pack of 4) - Image 1](https://m.media-amazon.com/images/I/316wB5eJqtL.jpg)
![Prime-Line Products U 9819 Sliding Window Security Lock, Economy, Aluminum,(Pack of 4) - Image 2](https://m.media-amazon.com/images/I/31L43HYzmIL.jpg)
![Prime-Line Products U 9819 Sliding Window Security Lock, Economy, Aluminum,(Pack of 4) - Image 3](https://m.media-amazon.com/images/I/41Nvni4RzXL.jpg)
![Prime-Line Products U 9819 Sliding Window Security Lock, Economy, Aluminum,(Pack of 4) - Image 4](https://m.media-amazon.com/images/I/41VsWiByyrL.jpg)
![Prime-Line Products U 9819 Sliding Window Security Lock, Economy, Aluminum,(Pack of 4) - Image 5](https://m.media-amazon.com/images/I/41x3Ortbg-L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by T***D on 1 January 2026*

Works as it should and help my sideways sliding windows locked. Pros; Very easy to use/install Cons; There are no cons for something this simple

### ⭐⭐⭐⭐⭐ Review
*by L***L on 28 September 2025*

Simple, inexpensive yet effective solution for preventing windows from being slid open. Took me just a few minutes to install all 4

### ⭐⭐⭐⭐⭐ Review
*by M***L on 13 November 2025*

Perfeita, bloqueia qualquer movimento da janela. Prende de uma forma discreta com segurança.

## Frequently Bought Together

- Prime-Line U 9819 Aluminum, Sliding Window Security Lock (4 Pack)
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**Shop now:** [https://www.desertcart.fi/products/346176252-prime-line-products-u-9819-sliding-window-security-lock-economy](https://www.desertcart.fi/products/346176252-prime-line-products-u-9819-sliding-window-security-lock-economy)

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*Product available on Desertcart Finland*
*Store origin: FI*
*Last updated: 2026-02-22*