Master Lock 3ft Long x 5/16in (8mm) Diameter Hardened Steel Chain with Integrated Resettable Combination Lock

Description

Product Overview

The Master Lock 3ft steel chain is engineered for durability and security, featuring a 5/16 inch (8mm) diameter hardened alloy steel link that resists cutting, sawing, and prying attempts. Each link is coated with a polyester cover that not only adds a layer of protection against scratches and weather exposure but also provides a discreet, low‑profile appearance that blends seamlessly with any environment. The chain measures a full three feet in length, offering ample reach for securing bicycles, outdoor equipment, storage lockers, and even garden tools. Integrated into the chain is a resettable four‑dial combination lock, allowing users to set a personalized code without the need for a key, thereby eliminating the risk of lost or stolen keys.

Designed with a ring‑type controller, the lock mechanism delivers smooth rotation and tactile feedback, ensuring that the combination can be entered quickly and accurately even in low‑light conditions. The lock housing is constructed from reinforced alloy steel, providing additional resistance to impact and tampering. The entire assembly weighs just under three pounds, striking a balance between solid security and manageable portability for on‑the‑go users.

Master Lock backs this product with a limited lifetime warranty, reflecting confidence in the chain’s long‑term performance. The model number 8392BLKEC and UPC 071649372957 identify this specific configuration, which is available in both black and red finishes to match personal style preferences. Customer reviews consistently highlight the chain’s strength, ease of use, and reliable resettable lock feature, with an average rating of 4.6 out of 5 stars from over 60 verified purchasers.

Usage

Whether you are a commuter cyclist, a weekend rider, or an outdoor enthusiast, the Master Lock 3ft steel chain offers versatile security solutions. For cyclists, the chain can be looped around the frame, seat post, or rear wheel, providing a deterrent against theft in public bike racks or storage sheds. The 3‑foot length is sufficient to secure most standard bicycle frames while still allowing easy handling and quick attachment or removal.

Beyond bicycles, the chain excels in protecting garden tools, patio furniture, and storage units. Its robust construction makes it suitable for outdoor environments, resisting rust and corrosion thanks to the polyester coating. Homeowners can use the chain to lock garden sheds, toolboxes, or even outdoor grills, ensuring that valuable equipment remains out of reach from opportunistic thieves.

For commercial applications, the chain can be employed to secure delivery carts, portable generators, and other high‑value assets that require a quick yet reliable locking solution. The resettable combination lock eliminates the need for multiple keys across a workforce, simplifying access control while maintaining a high level of security.

Why Choose Us

Master Lock is a globally recognized brand with a legacy of innovation in security products. This chain benefits from decades of research and development, incorporating hardened steel technology that meets industry standards for cut resistance. The polyester‑covered finish not only enhances durability but also reduces the visual impact of the chain, making it less conspicuous while still delivering top‑tier protection.

Our commitment to quality is reflected in the limited lifetime warranty, which covers manufacturing defects and ensures that customers receive a product that performs as advertised throughout its lifespan. In addition, the resettable combination lock provides flexibility; users can change the code as often as needed, adapting to evolving security requirements without additional cost.

Customer support is a cornerstone of the Master Lock experience. Our dedicated service team is available to assist with lock resetting instructions, troubleshooting, and warranty claims, ensuring that every purchase is backed by responsive and knowledgeable assistance. This after‑sales service adds tangible value beyond the physical product.

Environmental considerations also play a role in our design philosophy. The polyester coating is chosen for its durability and low environmental impact, reducing the need for frequent replacements and minimizing waste. By selecting a product that combines longevity with sustainable materials, users contribute to a more responsible consumption pattern.

Key Features

• Hardened alloy steel links resist cutting, sawing, and prying for reliable theft deterrence.
• Polyester‑covered finish protects the chain from scratches, rust, and weather exposure.
• Resettable four‑dial combination lock offers keyless convenience and customizable security.
• Three‑foot length provides ample reach for bicycles, outdoor equipment, and storage solutions.
• Limited lifetime warranty and dedicated customer support ensure peace of mind and reliable after‑sales service.

FAQ

How do I reset the combination lock?

To reset the lock, first open it using the current combination. Locate the reset lever inside the lock housing, move it to the reset position, and then set your new four‑digit code by turning the dials. Return the lever to its original position, and the new combination will be saved.

Is the chain suitable for outdoor use in rainy climates?

Yes, the chain is designed for outdoor environments. The polyester covering provides a barrier against moisture, and the hardened steel core resists corrosion, making it an excellent choice for rainy or humid conditions.

Can I use the chain to secure a bike without a frame lock?

Absolutely. The 3‑foot length allows you to loop the chain around the bike frame, seat post, or rear wheel, creating a strong deterrent even if your bike does not have a built‑in frame lock.

What is the warranty coverage for this product?

The Master Lock 3ft steel chain comes with a limited lifetime warranty that covers manufacturing defects. If the chain fails due to a defect, Master Lock will repair or replace it at no cost to the customer.

Do I need any tools to install the lock?

No additional tools are required. The lock is integrated into the chain, and the resettable combination mechanism can be operated manually using the dial and reset lever.