---
product_id: 257644335
title: "Master Lock 5400D Set Your Own Combination Portable Lock Box, 5 Key Capacity, Black"
brand: "master lock"
price: "£59.16"
currency: GBP
in_stock: true
reviews_count: 7
category: "Master Lock"
url: https://www.desertcart.co.uk/products/257644335-master-lock-5400d-set-your-own-combination-portable-lock-box
store_origin: GB
region: United Kingdom
---

# 5-key capacity secure storage Custom 4-digit combo lock Weather-resistant shutter door Master Lock 5400D Set Your Own Combination Portable Lock Box, 5 Key Capacity, Black

**Brand:** master lock
**Price:** £59.16
**Availability:** ✅ In Stock

## Summary

> 🔐 Unlock peace of mind with Master Lock’s ultimate key safe!

## Quick Answers

- **What is this?** Master Lock 5400D Set Your Own Combination Portable Lock Box, 5 Key Capacity, Black by master lock
- **How much does it cost?** £59.16 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/257644335-master-lock-5400d-set-your-own-combination-portable-lock-box)

## Best For

- master lock enthusiasts

## Why This Product

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

## Key Features

- • **Compact & Portable:** Sleek, lightweight design fits most door knobs and travels with ease.
- • **Durable Metal Body:** Built tough for indoor and outdoor use, resisting wear and tear.
- • **Weather-Proof Design:** Vinyl-coated shackle and shutter door protect against the elements.
- • **Securely Store Up to 5 Keys:** Keep your essentials safe with ample capacity for multiple keys.
- • **Personalized 4-Digit Combination:** Set and reset thousands of unique codes for ultimate control.

## Overview

The Master Lock 5400D is a portable, weather-resistant lock box designed to securely store up to five standard keys. Featuring a customizable 4-digit combination lock and a durable metal body with a vinyl-coated shackle, it fits most door knob styles and is ideal for both indoor and outdoor use. Compact yet spacious, it offers reliable security with easy portability, backed by a limited lifetime warranty.

## Description

From the manufacturer OVERVIEW Over the door knob design for portable installation Large internal cavity prevents jamming, even when holding multiple keys Set your own combination convenience for optimal security Set your own 4-digit combination for keyless convenience and increased security Protective weather cover prevents freezing and jamming Molded body and vinyl coated shackle prevent scratching Also available with personalized laser engraving - Learn more Internal Dimensions: 3-1/2in (89mm) H x 2-3/4in (70mm) W x 1in (25mm) D Description The Master Lock No. 5400D Portable Lock Box features a 3-1/4in (83mm) wide metal body for durability. The portable design offers removable “over the knob” installation. Set your own 4-digit combination for keyless convenience and increased security. The shutter door protects combination dials from weather, dirt and grime; and molded body and vinyl coated shackle prevent scratching. The Limited Lifetime provides peace of mind from a brand you can trust.

Review: Good so far - Working fine so far - waiting to see if it becomes weather affected.
Review: Very secure way - Amazing product easy to use and very secure way to kee your key

## Features

- Large capacity key lock box enables secure storage of up to five standard (2 inch) house keys; Shackle fits most ball, biscuit, and tulip door knob styles
- Set your own four digit combination lock box; Reset the combination for thousands of personalized combination code options
- For indoor and outdoor use; Key safe is constructed with a metal body for durability, vinyl coated shackle to prevent scratching, and shutter door to protect combination dials from weather
- Exterior dimensions: 4 inch (10.2 centimeter) H x 3 1/4 inch (8.3 centimeter) W x 1 3/4 inch (4.4 centimeter) D; 13/32 inch (10 millimeter) diameter shackle with 1 13/32 inch (36 millimeter) L, 1 7/8 inch (48 millimeter) W
- Capacity for 5 standard (2 inch) house keys; Interior dimensions are shaped like an "L" with top section measuring 0.3 inch x 1.56 inch x 2.95 inch; bottom section measures 0.95 inch x 1.51 inch x 3.21 inch.Lock box combination is preset to open on 0 0 0 0. Combination reset instructions included with product.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0002YP1VC |
| Additional Features | Portable |
| Best Sellers Rank | #81,671 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #267 in Combination Locks |
| Brand | Master Lock |
| Brand Name | Master Lock |
| Color | black |
| Connectivity Protocol | Wi-Fi |
| Control Method | Touch |
| Controller Type | Hand Control |
| Customer Reviews | 4.7 out of 5 stars 24,052 Reviews |
| Finish Types | Black |
| Global Trade Identification Number | 00071649214516 |
| Included Components | The product is key storage lock/shackle;Key storage door pivots open smoothly & remains attached to lock body for convenient operation;The product is manufactured in china;Portable Lock Box features a 3-1/4in (83mm) wide metal body for durability.;Large internal cavity prevents jamming, even when holding multiple keys;Set your own 4-digit combination for keyless convenience and increased security;… |
| Item Dimensions | 38 x 83 x 159 millimeters |
| Item Type Name | Set Your Own Combination Portable Lock Box |
| Item Weight | 454 g |
| Item dimensions L x W x H | 38 x 83 x 159 millimeters |
| Lock Type | Combination Lock |
| Lock type | Combination Lock |
| Manufacturer | Master Lock |
| Manufacturer Part Number | 5400EC |
| Manufacturer Warranty Description | Limited Lifetime Warranty |
| Material | Metal |
| Material Type | Metal |
| Model Name | 5400EC |
| Model Number | 5400D |
| Number of Pieces | 5 |
| Recommended Uses For Product | Outdoor use, Real estate access control, Security gates & fences |
| Recommended uses for product | Outdoor use, Real estate access control, Security gates & fences |
| Shape | Rectangular |
| Smart Home Compatibility | Not Smart Home Compatible |
| Special features | Portable |
| Style Name | Standard Dial |
| UPC | 071649214516 |
| Unit Count | 1.00 Count |

## Product Details

- **Brand:** Master Lock
- **Item dimensions L x W x H:** 38 x 83 x 159 millimeters
- **Lock type:** Combination Lock
- **Material:** Metal
- **Special features:** Portable

## Images

![Master Lock 5400D Set Your Own Combination Portable Lock Box, 5 Key Capacity, Black - Image 1](https://m.media-amazon.com/images/I/71J3n5HFhRL.jpg)
![Master Lock 5400D Set Your Own Combination Portable Lock Box, 5 Key Capacity, Black - Image 2](https://m.media-amazon.com/images/I/718r+JjA7DL.jpg)
![Master Lock 5400D Set Your Own Combination Portable Lock Box, 5 Key Capacity, Black - Image 3](https://m.media-amazon.com/images/I/81d13vJDnPL.jpg)
![Master Lock 5400D Set Your Own Combination Portable Lock Box, 5 Key Capacity, Black - Image 4](https://m.media-amazon.com/images/I/61-HrQVZROL.jpg)
![Master Lock 5400D Set Your Own Combination Portable Lock Box, 5 Key Capacity, Black - Image 5](https://m.media-amazon.com/images/I/61aznnmTaXL.jpg)

## Questions & Answers

**Q: what is the security rating?**
A: perfect!

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good so far
*by C***S on 30 October 2019*

Working fine so far - waiting to see if it becomes weather affected.

### ⭐⭐⭐⭐⭐ Very secure way
*by M***I on 12 March 2023*

Amazing product easy to use and very secure way to kee your key

### ⭐⭐ Scratches on shutter door
*by O***L on 27 October 2023*

Like: purchasing to delivery is satisfactory and excellent Dislike: received a product with defects; obvious scratches on shutter door. I returned the product straight away after receiving it.

## Frequently Bought Together

- Master Lock Key Lock Box, Outdoor Lock Box for House Keys, Key Safe with Combination Lock, 5 Key Capacity, 5400EC, Black
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*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-06-12*