---
product_id: 377794611
title: "4 Pack Sash Jammer Blocker Door & Window Lock Anti Theft Additional Home Security for PVC/uPVC Windows and Doors, White"
brand: "hyber&cara"
price: "S$50"
currency: SGD
in_stock: true
url: https://www.desertcart.sg/products/377794611-4-pack-sash-jammer-blocker-door-and-window-lock-anti
store_origin: SG
region: Singapore
---

# 4 Pack Sash Jammer Blocker Door & Window Lock Anti Theft Additional Home Security for PVC/uPVC Windows and Doors, White

**Brand:** hyber&cara
**Price:** S$50
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** 4 Pack Sash Jammer Blocker Door & Window Lock Anti Theft Additional Home Security for PVC/uPVC Windows and Doors, White by hyber&cara
- **How much does it cost?** S$50 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/377794611-4-pack-sash-jammer-blocker-door-and-window-lock-anti)

## Best For

- hyber&cara enthusiasts

## Why This Product

- Trusted hyber&cara brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

1. What are Sash Jammers?Sash Jammers are commonly used as additional security to secure uPVC doors or windows and are available as locking and non-locking options. A Sash jammer will prevent a door or window from opening should the lock be bypassed by a thief. 2. What are the advantages of Sash Jammers?Sash Jammers are a cheap way to improve your uPVC door or window security Easy to fitFits most types of doors and windowsWill fit inward and outward opening doors and windowsReversible, suitable for both left and right handed doorsCan prevent door or window from opening for any attempted break-in3. What Type of Doors and Windows Can Jammers be Fitted to?uPVC Doors and windowsWooden and Composite doorsPatio Doors and French Doors4. How many Sash Jammers Should I Fit on My Door or Window?Single doors will normally have two sash jammers fitted – one fitted at the top and one fitted at the bottom of the door.Small windows will only require one sash jammer to be fitted.Patio doors and French Doors will have 4 fitted on each door, two at the top and two at the bottom.

## Features

- Manufactured from strong cast zinc construction with durable powder coated finish.
- Sash Blockers are designed to provide additional security for your PVC-u doors and windows.
- Sash stoppers are easy to fit with supplied fixing screws, just follow the fitting instructions provided.
- Easy to operate - just a twist of the Jammer Arm will lock or release the sash.
- These sash jammers are suited for both PVC-u and Timber/Composite doors and windows.

## Images

![4 Pack Sash Jammer Blocker Door & Window Lock Anti Theft Additional Home Security for PVC/uPVC Windows and Doors, White - Image 1](https://m.media-amazon.com/images/I/61i8V49YnoS.jpg)
![4 Pack Sash Jammer Blocker Door & Window Lock Anti Theft Additional Home Security for PVC/uPVC Windows and Doors, White - Image 2](https://m.media-amazon.com/images/I/51xGjz9Ra1S.jpg)
![4 Pack Sash Jammer Blocker Door & Window Lock Anti Theft Additional Home Security for PVC/uPVC Windows and Doors, White - Image 3](https://m.media-amazon.com/images/I/61OJhkVjUAS.jpg)
![4 Pack Sash Jammer Blocker Door & Window Lock Anti Theft Additional Home Security for PVC/uPVC Windows and Doors, White - Image 4](https://m.media-amazon.com/images/I/61g7OgiYfCS.jpg)
![4 Pack Sash Jammer Blocker Door & Window Lock Anti Theft Additional Home Security for PVC/uPVC Windows and Doors, White - Image 5](https://m.media-amazon.com/images/I/71d8HKwdCxL.jpg)

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**Shop now:** [https://www.desertcart.sg/products/377794611-4-pack-sash-jammer-blocker-door-and-window-lock-anti](https://www.desertcart.sg/products/377794611-4-pack-sash-jammer-blocker-door-and-window-lock-anti)

---

*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-08-20*