---
product_id: 642585798
title: "1 Black Zinc Storm Door Chain Lock Safety Zipper and Spring to Prevent Storm Damage"
brand: "gwyan"
price: "¥3442"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/642585798-1-black-zinc-storm-door-chain-lock-safety-zipper-spring
store_origin: JP
region: Japan
---

# Adjustable fit for versatile door compatibility Black zinc plating resists rust & corrosion 63.5mm spring length for max protection 1 Black Zinc Storm Door Chain Lock Safety Zipper and Spring to Prevent Storm Damage

**Brand:** gwyan
**Price:** ¥3442
**Availability:** ✅ In Stock

## Summary

> 🛡️ Lock in peace of mind—storm season’s silent guardian!

## Quick Answers

- **What is this?** 1 Black Zinc Storm Door Chain Lock Safety Zipper and Spring to Prevent Storm Damage by gwyan
- **How much does it cost?** ¥3442 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/642585798-1-black-zinc-storm-door-chain-lock-safety-zipper-spring)

## Best For

- gwyan enthusiasts

## Why This Product

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

## Key Features

- • **Precision Fit:** Adjustable design fits a wide range of swing doors, making installation seamless and secure.
- • **Storm-Proof Strength:** Engineered spring steel with black zinc plating ensures long-lasting resistance against wind and weather damage.
- • **Compact & Lightweight:** At just 5.8 ounces and 6.1 x 4.7 inches, it’s unobtrusive yet powerful protection for your entryway.
- • **Effortless Installation:** Screw-in or self-adhesive options let you customize setup without hassle or extra tools.
- • **Durability You Can Trust:** Corrosion-resistant finish guarantees years of reliable performance, keeping your door safe through every storm.

## Overview

The 1 Black Zinc Storm Door Chain Lock combines a 63.5mm spring steel zipper with black zinc plating to deliver superior corrosion resistance and load-bearing strength. Designed for versatile installation on swing doors, it prevents storm damage with an adjustable, durable, and easy-to-install solution that fits seamlessly into any home.

## Description

1 Black Zinc Storm Door Chain Lock Safety Zipper and Spring to Prevent Storm Damage

## Features

- The Storm Door Chain is a zipper that protects the swing door from wind damage.
- Size: The total length of the spring part is 63.5 millimeters/2.5 inches.
- Made of high-quality spring steel, with a surface treated with black zinc plating, it has strong load-bearing capacity, corrosion and rust resistance, is hard, and has a long service life.
- Suitable for various doors, adjustable for use.
- List content: 1 storm door chain.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Installation Type | Screw-In or Self-Adhesive |
| Recommended Uses For Product | to prevent storm damage on swing doors |
| Number of Pieces | 1 |
| Manufacturer | GWYAN |
| Part Number | DOOR-CHAIN-BL-1 |
| Item Weight | 5.8 ounces |
| Product Dimensions | 6.1 x 4.7 x 0.8 inches |
| Country of Origin | China |
| Item model number | S1 |
| Included Components | Comes as a Combo Set |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Material:** Spring Steel
- **Brand:** GWYAN
- **Color:** Black
- **Exterior Finish:** Black
- **Item Weight:** 0.36 Pounds

## Images

![1 Black Zinc Storm Door Chain Lock Safety Zipper and Spring to Prevent Storm Damage - Image 1](https://m.media-amazon.com/images/I/71+Zb2IpgqL.jpg)
![1 Black Zinc Storm Door Chain Lock Safety Zipper and Spring to Prevent Storm Damage - Image 2](https://m.media-amazon.com/images/I/61hK5InAkpL.jpg)
![1 Black Zinc Storm Door Chain Lock Safety Zipper and Spring to Prevent Storm Damage - Image 3](https://m.media-amazon.com/images/I/71buCRjsklL.jpg)

## Frequently Bought Together

- GWYAN 1 Black Zinc Storm Door Chain Lock Safety Zipper and Spring to Prevent Storm Damage
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**Shop now:** [https://www.desertcart.jp/products/642585798-1-black-zinc-storm-door-chain-lock-safety-zipper-spring](https://www.desertcart.jp/products/642585798-1-black-zinc-storm-door-chain-lock-safety-zipper-spring)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-01-29*