---
product_id: 504269940
title: "Master Lock 5400EC2 Box with Combination Lock, Black and Grey"
brand: "master lock"
price: "72.85 OMR"
currency: OMR
in_stock: true
reviews_count: 5
url: https://www.desertcart.com.om/products/504269940-master-lock-5400ec2-box-with-combination-lock-black-and-grey
store_origin: OM
region: Oman
---

# 4-digit customizable combo Weather-resistant shutter door Holds up to 5 standard keys Master Lock 5400EC2 Box with Combination Lock, Black and Grey

**Brand:** master lock
**Price:** 72.85 OMR
**Availability:** ✅ In Stock

## Summary

> 🔐 Unlock convenience, security, and style — because your keys deserve the best!

## Quick Answers

- **What is this?** Master Lock 5400EC2 Box with Combination Lock, Black and Grey by master lock
- **How much does it cost?** 72.85 OMR with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.om](https://www.desertcart.com.om/products/504269940-master-lock-5400ec2-box-with-combination-lock-black-and-grey)

## 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

- • **Built to Brave the Elements:** Durable metal body with vinyl-coated shackle and protective shutter door guards against weather and scratches.
- • **Spacious & Organized Key Storage:** Securely store up to five standard 2-inch house keys in a compact, portable design.
- • **Versatile Over-the-Knob Installation:** Fits most ball, biscuit, and tulip door knobs for effortless, no-drill setup anywhere.
- • **Personalized Security at Your Fingertips:** Set and reset thousands of unique 4-digit codes for ultimate control and peace of mind.
- • **Trusted Durability with Lifetime Warranty:** Master Lock’s legacy of quality backed by a limited lifetime warranty ensures long-term reliability.

## Overview

The Master Lock 5400EC2 is a robust, portable combination lock box set designed for secure, weather-resistant storage of up to five standard keys. Featuring a customizable 4-digit code, a vinyl-coated shackle to prevent scratches, and a shutter door to protect dials from the elements, it offers versatile over-the-knob installation compatible with most door knobs. This 2-pack set combines durability with convenience, backed by Master Lock’s limited lifetime warranty, making it a trusted choice for home and professional use.

## Description

The Master Lock 5400EC2 Set Your Own Combination Portable Lock Boxes features a 3-1/4in (83mm) wide metal body for durability. The portable design offers removable “over the knob” installation. Set your own four-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. Includes two set your own combination lock boxes. The Limited Lifetime Warranty provides peace of mind from a brand you know and can trust.

Review: Quality - Easy to use.
Review: Best for best - The best quality. Love them. I have more than 40 of this. AT MY REAL ESTATE.( POREB ) WE USE THIS ALWAYS. HIGHLY RECOMMEND PPREB

## Features

- Large capacity key lock boxes 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 Internal Dimensions: 3-1/2in (89mm) H x 2-3/4in (70mm) W x 1in (25mm) D
- Includes two set your own combination lock boxes

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BHZRFXX3 |
| Best Sellers Rank | 865,714 in DIY & Tools ( See Top 100 in DIY & Tools ) 948 in Key Cabinets (DIY & Tools) |
| Brand | Master Lock |
| Colour | Black and Grey |
| Control Method | Touch |
| Controller Type | Hand Control |
| Customer Reviews | 4.6 out of 5 stars 315 Reviews |
| Finish | Painted |
| Global Trade Identification Number | 00071649370472 |
| Included Components | Set you own combination Lock Box - 2 pk |
| Item Dimensions | 38 x 83 x 159 millimetres |
| Item Type Name | Lock Box with Combination Lock |
| Item Weight | 1 Pounds |
| Item dimensions L x W x H | 38 x 83 x 159 millimetres |
| Lock Type | Combination Lock |
| Lock type | Combination Lock |
| Manufacturer | Master Lock |
| Material | Metal Vinyl |
| Model Name | Lock Box with Combination Lock |
| Model Number | 5400EC2 |
| Number of Items | 2 |
| Number of Packs | 2 |
| Number of Pieces | 2 |
| Part Number | 5400EC2 |
| Recommended Uses For Product | Home |
| Recommended uses for product | Home |
| Shape | Rectangular |
| Special Features | Portable |
| Special feature | Portable |
| Style | 5 Key Capacity, 2 Pack |
| UPC | 791709983038 071649370472 |
| Unit Count | 2.0 count |

## Product Details

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

## Images

![Master Lock 5400EC2 Box with Combination Lock, Black and Grey - Image 1](https://m.media-amazon.com/images/I/71qeK4m19TL.jpg)
![Master Lock 5400EC2 Box with Combination Lock, Black and Grey - Image 2](https://m.media-amazon.com/images/I/71Bnk9BAeSL.jpg)
![Master Lock 5400EC2 Box with Combination Lock, Black and Grey - Image 3](https://m.media-amazon.com/images/I/81wNDnkSxOL.jpg)
![Master Lock 5400EC2 Box with Combination Lock, Black and Grey - Image 4](https://m.media-amazon.com/images/I/61jgLeUqsCL.jpg)
![Master Lock 5400EC2 Box with Combination Lock, Black and Grey - Image 5](https://m.media-amazon.com/images/I/81RW5eDC2BL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Quality
*by B***S on 12 May 2026*

Easy to use.

### ⭐⭐⭐⭐⭐ Best for best
*by M***I on 8 February 2026*

The best quality. Love them. I have more than 40 of this. AT MY REAL ESTATE.( POREB ) WE USE THIS ALWAYS. HIGHLY RECOMMEND PPREB

### ⭐⭐⭐⭐⭐ Key safe
*by S***Y on 11 February 2025*

Works great. Saved a locksmith call out fee already

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**Shop now:** [https://www.desertcart.com.om/products/504269940-master-lock-5400ec2-box-with-combination-lock-black-and-grey](https://www.desertcart.com.om/products/504269940-master-lock-5400ec2-box-with-combination-lock-black-and-grey)

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*Product available on Desertcart Oman*
*Store origin: OM*
*Last updated: 2026-08-26*