---
product_id: 336639553
title: "U 9819 Aluminum, Sliding Window Security Lock (4 Pack)"
brand: "prime-line"
price: "$32"
currency: NZD
in_stock: true
url: https://www.desertcart.nz/products/336639553-u-9819-aluminum-sliding-window-security-lock-4-pack
store_origin: NZ
region: New Zealand
---

# Fits up to 1/8 inch wide rails Thumbscrew lock for secure hold Tool-free installation in seconds U 9819 Aluminum, Sliding Window Security Lock (4 Pack)

**Brand:** prime-line
**Price:** $32
**Availability:** ✅ In Stock

## Summary

> 🔐 Lock in safety, unlock peace of mind.

## Quick Answers

- **What is this?** U 9819 Aluminum, Sliding Window Security Lock (4 Pack) by prime-line
- **How much does it cost?** $32 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/336639553-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

- • **Pack of Four:** Secure multiple windows or keep spares handy for peace of mind.
- • **Versatile Fit:** Designed to secure rails up to 1/8 inch wide, perfect for most metal horizontal sliders.
- • **Effortless Security:** Lock your sliding windows with a simple thumb turn—no tools, no hassle.
- • **Ventilation-Friendly:** Lock your window in a partially open position for fresh air without compromising safety.
- • **Sleek Aluminum Finish:** Modern, durable aluminum blends seamlessly with any window frame.

## Overview

The Prime-Line U 9819 Sliding Window Security Lock is a sleek, aluminum secondary lock designed for metal horizontal sliding windows. Featuring a convenient thumbscrew mechanism, it secures windows in both closed and ventilated positions without requiring tools. Each pack includes four locks that fit rails up to 1/8 inch wide, offering an easy-to-install, durable solution for enhanced home security.

## 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.

## 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

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Prime-Line Products (Home Improvement) |
| Part number | U 9819 |
| Item Weight | 63.5 g |
| Product Dimensions | 1.27 x 2.54 x 1.11 cm; 63.5 g |
| Item model number | U 9819 |
| Size | 4 Count (Pack of 1) |
| Color | Silver |
| Style | Modern |
| Finish | Aluminum |
| Material | Aluminum |
| Shape | Rectangular |
| Item Package Quantity | 1 |
| Number Of Pieces | 4 |
| Special Features | Thumbscrew Lock |
| Included components | Sliding Window Security Lock |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Brand:** PRIME-LINE
- **Special features:** Thumbscrew Lock
- **Lock type:** Window Lock
- **Item dimensions L x W x H:** 13 x 25 x 11 millimeters
- **Material:** Aluminum

## Images

![U 9819 Aluminum, Sliding Window Security Lock (4 Pack) - Image 1](https://m.media-amazon.com/images/I/61y-qrM0RRL.jpg)

## Available Options

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

## Frequently Bought Together

- Prime-Line U 9819 Aluminum, Sliding Window Security Lock (4 Pack)
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**Shop now:** [https://www.desertcart.nz/products/336639553-u-9819-aluminum-sliding-window-security-lock-4-pack](https://www.desertcart.nz/products/336639553-u-9819-aluminum-sliding-window-security-lock-4-pack)

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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-02-06*