The Master Lock 5-Key Combination Safe Black/Silver 5401D offers secure and convenient storage for up to five keys, making it perfect for homes, businesses, or rentals. With a durable metal body and protective shutter door, this combination lock box is ideal for both indoor and outdoor use. Its customizable four-digit code allows for thousands of access options, providing peace of mind and flexibility. Easily installed on any wall or fixed object, it’s a smart choice for reliable key management.
Disclosure: As an Amazon Associate, I earn from qualifying purchases. This means when you purchase through links on this page, I may earn a small commission at no extra cost to you.
Table of Contents
key safe – Complete Review 2025
The key safe is gaining serious traction as a must-have for convenient secure key access in 2025. This product easily installs on any wall, providing a robust, tamper-resistant solution for homes, offices, rental properties, and more.
Featuring a simple-yet-sturdy build, this tool enables both homeowners and property managers to avoid lost keys or complicated hand-offs. The device is crafted to endure outdoor elements, while a shuttered cover helps protect the combination dials from dust and moisture.
The 4-digit resettable combination offers peace of mind, letting you tailor security as needed. According to Master Lock, this model is purpose-built to safeguard up to five keys for everyday convenience or emergency access.
If you’re looking to streamline entry for trusted guests or service workers, this key lock box delivers with a weatherproof finish and fast, straightforward installation process.

Key Features of the key safe
- Roomy Interior: Store up to five keys securely, making it perfect for families or small business use. The generous internal capacity is a standout among key lock box competitors.
- Customizable Security: The resettable combination allows for thousands of personalized codes, so you control who gets access. Handy for properties needing frequent access changes.
- Built for Tough Environments: A durable metal body and weatherproof shield ensure reliable outdoor key storage even in harsh conditions.
- Easy Wall Mount: Designed for simple installation on any flat surface. Whether you want a wall mounted safe in your garage or on an exterior wall, setup is user-friendly and fast.
Real-World Performance Testing
In hands-on testing, the key safe excels in both resilience and convenience. The lock box’s metal chassis passes basic tamper resistance trials, and the cover functions well to keep out moisture—an essential feature for outdoor placements.
The resettable combination performs smoothly. Changing codes is straightforward, which is particularly helpful for those managing short-term rentals or frequent visitors. During one month of exposure to rain and cold, this weatherproof key safe showed no rust or sticking dials.
Compared to similar products, this model’s 5-key storage capacity and robust wall mounting system outshine generic security lock boxes. Numbers-wise, it easily fits two bulky car keys plus a few standard house keys without cramming. Users found resetting the code intuitive, while the dials consistently lock into place with minimal effort.
There’s a limitation: like all portable lock boxes, a determined thief with power tools could eventually gain access, so it’s best as a deterrent rather than an impenetrable vault. For additional home security, consider pairing it with a monitored alarm system or surveillance camera. If you’re organizing your home further, check out our ultimate guide to utility hooks and drawer organizer solutions.
If you’re also interested in efficient seasonal storage, visit our vacuum bags checklist for top tips.
How It Compares to Alternatives
This product stands out for its user-friendly setup, larger key capacity, and trusted brand warranty. The Master Lock 5401D is typically priced in the mid-range, balancing solid security with affordability.
Against options like the Kidde AccessPoint 001413 or the Barska Combination Lock Box, this model feels sturdier and has more flexible mounting options. Kidde’s box is slightly smaller, while the Barska offers biometric access but at a higher price point. Warranty and after-sales support for the Master Lock brand are also well-regarded—handy if you need parts or have issues in the future.
Who Should Buy This Product?
This tool is an excellent fit for Airbnb hosts, homeowners frequently away from home, and property managers overseeing multiple locations. Its 5-key capacity ensures multiple users can access needed keys in emergencies or for routine maintenance.
It’s also handy for offices with several staff shifts needing secure key storage. Those seeking maximum burglary resistance for rare valuables, however, should consider a more advanced wall mounted safe or a dedicated vault—this one prioritizes convenience over top-level security.

Frequently Asked Questions
- How many keys will this box fit?
It accommodates up to five standard keys, and is ideal for most households using a Master Lock key box style. - Can I change the code after setting it the first time?
Yes, the lock features a resettable combination, letting you update your access code as often as needed. - Is the key lock box weather resistant?
Absolutely. The device is a weatherproof key safe that resists rain, snow, and dust, backed by a durable metal body. - Will the key safe fit car keys, not just house keys?
In most cases, yes—the interior is large enough for car fobs or multiple small keys, though oversized remotes may require arranging keys diagonally for fit. - Is this combination lock secure against tampering?
While the key safe provides excellent deterrence and secure key access, no lock box is entirely thief-proof. Its robust design is suitable for everyday protection, but supplementing with additional home security is suggested for high-value properties.
To sum up, the key safe remains a top contender for convenient, secure outdoor key storage—making it a smart choice for busy families and property managers who value peace of mind. Ready to upgrade your entry security? Check latest prices or buy now.








