---
product_id: 507563990
title: "Door Security Bar, Patio Door Lock, 20-50 in | Sliding Glass Door Security Bar for Patio Door, Window Security and Door Stopper Protection, White"
brand: "acemining"
price: "¥12571"
currency: JPY
in_stock: true
reviews_count: 13
category: "Ace Mining"
url: https://www.desertcart.jp/products/507563990-door-security-bar-patio-door-lock-20-50-in-sliding
store_origin: JP
region: Japan
---

# Adjustable 21-46 inch fit Lightweight 2.2 lbs 400 lbs force resistance Door Security Bar, Patio Door Lock, 20-50 in | Sliding Glass Door Security Bar for Patio Door, Window Security and Door Stopper Protection, White

**Brand:** acemining
**Price:** ¥12571
**Availability:** ✅ In Stock

## Summary

> 🔐 Lock down peace of mind wherever you go!

## Quick Answers

- **What is this?** Door Security Bar, Patio Door Lock, 20-50 in | Sliding Glass Door Security Bar for Patio Door, Window Security and Door Stopper Protection, White by acemining
- **How much does it cost?** ¥12571 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/507563990-door-security-bar-patio-door-lock-20-50-in-sliding)

## Best For

- acemining enthusiasts

## Why This Product

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

## Key Features

- • **Durable Build:** Constructed with high-strength alloy and fiberglass components for long-lasting, reliable security.
- • **Effortless Setup:** One-lever, three-stage design for quick installation—no tools or permanent modifications needed.
- • **Heavy-Duty Defense:** Engineered to withstand up to 400 pounds of force, deterring even the toughest intruders.
- • **Custom Fit Security:** Easily adjusts from 21 to 46 inches to secure any door or sliding patio door.
- • **Travel-Ready Protection:** Weighs just 2.2 pounds, making it your perfect portable security companion for home or hotel stays.

## Overview

The AceMining Door Security Bar is a versatile, adjustable security device designed to reinforce doors and sliding patio doors. With a lightweight yet robust build, it resists up to 400 pounds of force and installs quickly without permanent modifications. Ideal for renters, travelers, and homeowners seeking an extra layer of protection, it offers peace of mind with easy portability and durable materials.

## Description

AceMining Door Security Bar, Patio Door Lock, 20-50 in | Sliding Glass Door Security Bar for Patio Door, Window Security and Door Stopper Protection, White - desertcart.com

Review: Sturdy - This product is very sturdy and well-made. It fits securely on the door and stays in place without any issues. The construction feels durable, and it works exactly as intended. Simple, reliable, and a great value for the price. I would definitely recommend it.
Review: Simple Extra Security for Doors and Sliding Glass Doors - I picked this up for additional peace of mind, and it does exactly what it’s supposed to do. Setup was quick and didn’t require any permanent modifications, which makes it great for apartments or rental properties. Once adjusted to the correct length, it feels sturdy and stays in place well. I especially like that it can be used on both standard doors and sliding glass doors. The rubberized ends provide good grip without damaging the floor, and it stores easily when not in use. No security device is a substitute for a good lock, but this adds another layer of protection and makes me feel more comfortable when I’m home or away for extended periods. For the price, it’s a simple and effective security upgrade.

## Features

- [Bar for Security] If you are concerned that your windows and doors aren't sturdy enough or you feel it is unsafe when travelling alone, AceMining's door jammer security bar will offer you a complete peace of mind with only one easy-to-use but distinctive lever which is also easy to install.
- [2-in-1 Door & Sliding Door Security Bar] Use our adjustable door security bar to deter burglars from breaking into your house, apartment, or even hotel room. The length of the door barricade security bar can be adjusted from 21 to 46inch, and the full product weighs only 2.2 pounds, making it easy to carry during travel or store at home.
- [Easy to Use] The AceMining door brace security bar is very simple to use, has a three-stage structure, and can be quickly deployed. This allows you to quickly strengthen your defense. However, while using it, you must be careful to ensure that there are no gaps between the rubber foot and the ground.
- [Versatile and Enhanced Design] The lock bar is equipped with enhanced high-strength alloy connections to extend the service life. It also features thickened 1.57inch pipe diameter design, high-quality material upgrades and plastic components made of high-strength fiberglass material making it stable and sturdy. Since the security bar on an AceMining door stopper can endure 400 pounds of force, an invader would have to be as strong as a heavyweight boxer to open the door.
- [Customer Service] AceMining provides 20 months customer services. If you run across any issues or face any problem with the sliding door lock, please get in touch with us. Bring extra security for your loved one’s home without delay.
- [Attention] Although AceMining Door Security Bar may not 100% effective at preventing entry on some situations, it would absolutely provide enough time to either prepare for the intrusion or alternatively flee the area.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BKKTFWJK |
| Best Sellers Rank | #357 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1 in Screen Door Hardware |
| Brand | AceMining |
| Brand Name | AceMining |
| Color | White |
| Customer Reviews | 4.7 out of 5 stars 11,971 Reviews |
| Included Components | Rubber cap * 1, Security bar * 1, User Manual, Y-type cap * 1 |
| Item Dimensions L x W x Thickness | 17"L x 1.6"W x 1.6"Th |
| Item Type Name | Locker bar-000 |
| Item Weight | 2.2 pounds |
| Manufacturer | AceMining |
| Manufacturer Part Number | Locker bar-000 |
| Manufacturer Warranty Description | [Attention] Although AceMining Door Security Bar may not 100% effective at preventing entry on some situations, it would absolutely provide enough time to either prepare for the intrusion or alternatively flee the area. |
| Material | Iron |
| Material Type | Iron |
| Model Number | Locker bar-000 |
| Mount Type | Door Mount |
| Mounting Type | Door Mount |
| Number of Packs | 1 |
| Number of Pieces | 1 |
| Product Dimensions | 17"L x 1.6"W x 1.6"Th |
| Product Style | Classic |
| Style | Classic |
| Unit Count | 1 Count |

## Product Details

- **Brand:** AceMining
- **Color:** White
- **Manufacturer:** AceMining
- **Material:** Iron
- **Mounting Type:** Door Mount
- **Number of Pieces:** 1
- **Product Dimensions:** 17"L x 1.6"W x 1.6"Th
- **Style:** Classic

## Images

![Door Security Bar, Patio Door Lock, 20-50 in | Sliding Glass Door Security Bar for Patio Door, Window Security and Door Stopper Protection, White - Image 1](https://m.media-amazon.com/images/I/61h9QW7SexL.jpg)

## Available Options

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

## Questions & Answers

**Q: I bought this so I could sleep with my sliding glass door open a few inches to get some air, but I guess this product can’t do that?**
A: Yes you can adjust the pins in it

**Q: Can you bring this in a carry-on bag on an airplane?**
A: Yes, but they'll most likely check your bag. It would probably look suspicious on the x-ray..

**Q: Can this be brought on an airplane?**
A: I am not sure that would be something you should ask the airline. Probably not due to it medal

**Q: Could you use this as a vertical support for a low hanging closet rod from the floor?**
A: It works as a get security bar but I wouldn’t use it as a hanging rod. Just buy a closet rod.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Sturdy
*by K***K on June 12, 2026*

This product is very sturdy and well-made. It fits securely on the door and stays in place without any issues. The construction feels durable, and it works exactly as intended. Simple, reliable, and a great value for the price. I would definitely recommend it.

### ⭐⭐⭐⭐⭐ Simple Extra Security for Doors and Sliding Glass Doors
*by D***A on June 22, 2026*

I picked this up for additional peace of mind, and it does exactly what it’s supposed to do. Setup was quick and didn’t require any permanent modifications, which makes it great for apartments or rental properties. Once adjusted to the correct length, it feels sturdy and stays in place well. I especially like that it can be used on both standard doors and sliding glass doors. The rubberized ends provide good grip without damaging the floor, and it stores easily when not in use. No security device is a substitute for a good lock, but this adds another layer of protection and makes me feel more comfortable when I’m home or away for extended periods. For the price, it’s a simple and effective security upgrade.

### ⭐⭐⭐⭐⭐ Great Extra Security for Peace of Mind
*by H***E on July 26, 2026*

I’m very happy with this security bar. It was easy to adjust to fit my door, and I use it every night for extra peace of mind. I even tested it by having my mom try to open the door while both locks were unlocked, and she still couldn't get the door open because of this bar. It feels sturdy, gives me an added sense of security, and was definitely worth buying.

## Frequently Bought Together

- AceMining Upgraded Door Security Bar & Sliding Patio Bar, Heavy Duty Stoppers Adjustable Jammer for Home, Apartment, Travel (1 Pack,White)
- Ring Battery Doorbell, Head-to-Toe Video, Live View with Two-Way Talk, and Motion Detection & Alerts (2024 release), Venetian Bronze

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-08-30*