Iron Lock Key Lock Box Portable and Wall Mounted - Waterproof 4 Digit
Iron Lock Key Lock Box Portable and Wall Mounted - Waterproof 4 Digit
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Our review of the Iron Lock Key Lock Box: this compact, metal combination box is best for homeowners, vacation rental hosts and outdoor enthusiasts who need a simple, weather-resistant way to store spare keys. The single biggest reason to buy is its balance of robust construction and straightforward operation - a zinc alloy body with a protective outer layer plus a resettable 4 digit code and removable shackle make it useful for doors, gates and activities where keys must be left securely but accessed by others.
Key Features
- Durable construction: A zinc alloy body resists water, sand and salt erosion so the box holds up well in wet or coastal conditions.
- Weather protection: The molded cover and vinyl coated shackle protect the combination dials from freezing and jamming in rain or wind.
- Removable shackle: The shackle detaches for easy over-the-knob installation and makes repositioning the box fast and tool-free.
- Resettable code: A 4 digit combination with a simple lever-reset procedure lets multiple users set and change a private code without special tools.
- Spacious interior: The box is roomy enough to hold several sets of keys or small items, making it practical for families and short-term rentals.
- Lifetime warranty: Coverage for the original purchase provides extra peace of mind after buying the lock box.
Who It's For
The Iron Lock Key Lock Box is ideal for homeowners who need a reliable place to leave spare keys for family, pet sitters or contractors, and for vacation rental hosts who prefer a key-exchange solution without recurring keypad batteries or smart locks. Its weather-resistant construction also makes it a sensible choice for campers, boaters and water sports participants who need a secure dry place for keys while active outdoors.
Those who should look elsewhere include users who require remote access control, mobile app features, or biometric unlocking; this product is a mechanical combination box and does not provide electronic or networked key management.
Pros & Cons
Pros
- Sturdy zinc alloy construction and a hard plastic outer layer resist physical and environmental damage.
- Removable, vinyl coated shackle makes installation over knobs or fences quick and prevents door scratching.
- Simple 4 digit resettable code procedure keeps the box easy to manage without tools or batteries.
- Lifetime warranty covers the original purchase for long-term reassurance.
Cons
- Some users report differing ease of opening; mechanical dials may be less intuitive for a few people.
- Not suitable for those who need electronic access control or remote monitoring features.
Specifications
| Brand | Iron Lock |
| Lock type | 4 digit mechanical combination |
| Body material | Zinc alloy with hard plastic protective layer |
| Shackle | Removable, vinyl coated shackle for over-the-knob use |
| Weather resistance | Waterproof and weather resistant; cover prevents dial jamming |
| Capacity | Holds multiple spare keys and small items |
| Warranty | Lifetime warranty for the original purchase |
Our Verdict
The Iron Lock Key Lock Box is a practical, value-oriented choice for people who need a simple, rugged way to share keys without electronics. Its zinc alloy construction, weather protection and removable shackle deliver a durable, portable solution for homes, rentals and outdoor use, and the lifetime warranty adds confidence that it will last through regular exposure to rain and wind.
Frequently Asked Questions
How do I set a new code?
Dial the default code to open, push the reset lever to position B, set your new 4 digit code, then return the lever to position A.
Can it be mounted outdoors?
Yes, the lock box is weather resistant with a protective cover and corrosion-resistant zinc alloy body suitable for outdoor mounting.
How many keys will it hold?
It is spacious enough to hold multiple spare keys or a small set of cards and accessories for most household needs.
Editor's Take
The Iron Lock Key Lock Box is a durable, weather-resistant mechanical combination box ideal for homeowners and rental hosts who need a simple, portable way to share spare keys; its robust zinc alloy body, removable shackle and lifetime warranty make it good value for outdoor and everyday use.

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