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🔐 Secure your keys, unlock your peace of mind.
The Master Lock 5400D is a compact, portable steel key storage box featuring a customizable 4-digit combination lock. Designed to hold up to 5 keys securely, its powder-coated metal body offers durable protection. With a smooth pivoting door and jam-resistant interior, it combines convenience with trusted Master Lock reliability, making it a top choice for professionals seeking secure, on-the-go key management.





| Asin | B0002YP1VC |
| Best Sellers Rank | 209,675 in DIY & Tools (See Top 100 in DIY & Tools) 246 in Key Cabinets (DIY & Tools) |
| Brand | Master Lock |
| Colour | Black |
| Connectivity Protocol | Wi-Fi |
| Control Method | Touch |
| Controller Type | Hand Control |
| Country Of Origin | China |
| Customer Reviews | 4.7 4.7 out of 5 stars (24,256) 4.7 out of 5 stars |
| Finish | Powder Coated |
| Global Trade Identification Number | 00071649214516 |
| Included Components | Key lock box, vinyl coated shackle |
| Item Dimensions | 38 x 83 x 159 millimetres |
| Item Type Name | NUKTAL3-Master-1 |
| Item Weight | 454 g |
| Lock Type | Combination Lock |
| Manufacturer | Master Lock |
| Material | Metal |
| Model Name | 5400EC |
| Model Number | 5400D |
| Number Of Items | 1 |
| Number Of Packs | 1 |
| Number Of Pieces | 5 |
| Part Number | 5400EC |
| Recommended Uses For Product | Outdoor use, Real estate access control, Security gates & fences |
| Shape | Rectangular Cylinder |
| Special Features | Portable |
| Style | 5 Key Capacity, 1 Pack |
| Unit Count | 1000.0 gram |
| Upc | 071649214516 |
User
MASTER LOCK Portable Key Safe with Adjustable Shackle, Medium 175 x 72 x 52 mm
I purchased this in 2023 and I can happily say it is brilliant, very easy to use. I would certainly recommend it.
User
Great product at an amazing price.
Thoroughly recommend.
User
Reliable, Secure, and Easy to Set Up
This Master Lock key lock box is well built and gives me confidence that my keys are secure. The combination is easy to set and change, and the lock operates smoothly every time. It has plenty of room for house keys and is perfect for real estate showings, contractors, family access, or emergency backups.The weather-resistant construction has held up well outdoors, and the sturdy design feels like it will last for years. If you’re looking for a dependable outdoor key lock box from a trusted brand, this one is an excellent choice. Highly recommended.
User
Perfect for Sharing Keys with Neighbors and Family While Away
We use this Master Lock key box whenever we go on holiday to share spare keys safely with neighbours and family. It gives me real peace of mind knowing they can get in if needed, no more hiding keys under the mat!The box is solid and weather-resistant, so no worries about rain or snow messing with the lock. Setting up the combination was quick and easy, and the rubber cover keeps the dial protected from the elements.Mounting it on our fence post was simple, and it feels really secure, the thick shackle won’t budge. Inside, it comfortably fits a few keys, so we can keep keys for the house, the garage, and even the shed all in one place.If you want a hassle-free, safe way to share keys while travelling, this lock box is a great, affordable solution.
User
Scratches on shutter door
Like: purchasing to delivery is satisfactory and excellentDislike: received a product with defects; obvious scratches on shutter door. I returned the product straight away after receiving it.
User
とても便利です。
自宅用と車庫用と2つ購入しました。シンプルで使いやすく、モノとしてもしっかりしてます。
User
Good
Good
Trustpilot
1 month ago
2 weeks ago