---
product_id: 716116490
title: "HomeSecure HS4318 UPVC Window Restrictor Hook with Child Lock Restrictor Safety Catch - Silver"
brand: "home secure"
price: "S$47"
currency: SGD
in_stock: true
reviews_count: 5
category: "Home Secure"
url: https://www.desertcart.sg/products/716116490-homesecure-hs4318-upvc-window-restrictor-hook-with-child-lock-restrictor
store_origin: SG
region: Singapore
---

# 100mm opening limit Auto re-engaging lock Easy one-screw installation HomeSecure HS4318 UPVC Window Restrictor Hook with Child Lock Restrictor Safety Catch - Silver

**Brand:** home secure
**Price:** S$47
**Availability:** ✅ In Stock

## Summary

> 🔐 Secure your space, effortlessly stylish safety.

## Quick Answers

- **What is this?** HomeSecure HS4318 UPVC Window Restrictor Hook with Child Lock Restrictor Safety Catch - Silver by home secure
- **How much does it cost?** S$47 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/716116490-homesecure-hs4318-upvc-window-restrictor-hook-with-child-lock-restrictor)

## Best For

- home secure enthusiasts

## Why This Product

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

## Key Features

- • **Durable Premium Build:** Crafted from steel C1008 with a sleek silver trivalent finish, meeting BS 1670:1998 standards for lasting reliability.
- • **Effortless Installation:** Designed for quick, one-screw fitting with included hardware—no hassle, no extra tools needed.
- • **Child-Safe Window Control:** Restricts window opening to a secure 100mm, preventing accidental falls and enhancing peace of mind.
- • **Smart Auto-Lock Mechanism:** Automatically re-engages the restrictor on window closing, ensuring continuous safety without manual reset.
- • **Universal Fit for UPVC Windows:** Compatible with top or side opening windows, making it the versatile choice for modern homes.

## Overview

The HomeSecure HS4318 UPVC Window Restrictor Hook is a robust child safety device that limits window opening to 100mm, preventing accidents while allowing full opening when needed. Made from high-grade steel with a silver finish, it features an easy one-screw installation and an automatic re-engaging lock mechanism, compatible with top or side opening UPVC windows.

## Description

UPVC Window Restrictor Hook. Child Lock Restrictor Safety Catch. This essential child safety device is designed to limit opening of a window to 100 mm. It can be released to facilitate full opening of the window, it automatically re-engages restricted position on closing of the window. This product is manufactured from steel C1008, silver trivalent finish to meet BS 1670:1998 grade. Easy fit onto window (screws provided). Designed to restrict outwards opening to 100 mm and for top or side opening windows. Can be released to facilitate full opening of the window if needed. Automatically re-engages restricted position on closing of the window.

Review: Sono spiacente ma sui miei serramenti di metallo non è stato possibile installarlo. Istruzioni non chiare. Non mi sento di consigliarne l acquisto
Review: Good quality

## Features

- Only one per window needed
- Avoid accidental opening of the window
- Designed to be easy to fit onto sash
- Designed to restrict outwards opening

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00D9190D0 |
| Batteries Included? | No |
| Batteries Required? | No |
| Color | Silver |
| Customer Reviews | 4.1 4.1 out of 5 stars (1,110) |
| Date First Available | December 18, 2017 |
| Included Components | 1 x UPVC Window Restrictor Hook. Child Lock Restrictor Safety Catch (Right Handed) |
| Is Discontinued By Manufacturer | No |
| Item Package Quantity | 1 |
| Item Weight | 2.11 ounces |
| Item model number | HS4318 |
| Manufacturer | Home Secure |
| Measurement System | Metric |
| Number Of Pieces | 1 |
| Part Number | HS4318 |
| Product Dimensions | 4.01 x 3.7 x 0.2 inches |

## Images

![HomeSecure HS4318 UPVC Window Restrictor Hook with Child Lock Restrictor Safety Catch - Silver - Image 1](https://m.media-amazon.com/images/I/51gsiLM7xtL.jpg)

## Customer Reviews

### ⭐⭐ Review
*by L***A on November 28, 2016*

Sono spiacente ma sui miei serramenti di metallo non è stato possibile installarlo. Istruzioni non chiare. Non mi sento di consigliarne l acquisto

### ⭐⭐⭐⭐⭐ Review
*by K***N on November 1, 2025*

Good quality

### ⭐⭐⭐⭐⭐ Review
*by M***L on March 1, 2019*

Un poco difícil de montar y ajustar, pero me sirve para lo que lo compré, que el niño no pueda abrir la ventana.

## Frequently Bought Together

- HomeSecure HS4318 UPVC Window Restrictor Hook with Child Lock Restrictor Safety Catch - Silver
- UPVC Window Restrictor Hook. Child Lock Restrictor Safety Catch (Left Handed)
- BeeGo® Child Proofing Window Lock & Restrictor – Self-Adhesive, No Tools – Fits UPVC & Most Windows – Restricts Pets & Prevents Light Objects from Falling – White – 1 Pc

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**Shop now:** [https://www.desertcart.sg/products/716116490-homesecure-hs4318-upvc-window-restrictor-hook-with-child-lock-restrictor](https://www.desertcart.sg/products/716116490-homesecure-hs4318-upvc-window-restrictor-hook-with-child-lock-restrictor)

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-03-12*