---
product_id: 283324577
title: "Portable Combination Key Lock Box Adjustable Shackle 5420EC | Key Lock Box For Realtors & Landlords Securely Fits Most Lever, Ball, Biscuit, Tulip Door Knobs, Resettable 4-digit Code"
brand: "master lock"
price: "877 kr"
currency: DKK
in_stock: true
reviews_count: 13
category: "Master Lock"
url: https://www.desertcart.dk/products/283324577-portable-combination-key-lock-box-adjustable-shackle-5420ec-key-lock
store_origin: DK
region: Denmark
---

# 4-digit customizable combo lock Weather-resistant protective cover Heavy-duty solid zinc body Portable Combination Key Lock Box Adjustable Shackle 5420EC | Key Lock Box For Realtors & Landlords Securely Fits Most Lever, Ball, Biscuit, Tulip Door Knobs, Resettable 4-digit Code

**Brand:** master lock
**Price:** 877 kr
**Availability:** ✅ In Stock

## Summary

> 🔒 Unlock convenience, lock in confidence.

## Quick Answers

- **What is this?** Portable Combination Key Lock Box Adjustable Shackle 5420EC | Key Lock Box For Realtors & Landlords Securely Fits Most Lever, Ball, Biscuit, Tulip Door Knobs, Resettable 4-digit Code by master lock
- **How much does it cost?** 877 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/283324577-portable-combination-key-lock-box-adjustable-shackle-5420ec-key-lock)

## 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

- • **Secure Your Space, Stress-Free:** Set your own 4-digit combo for personalized, keyless access—no more hiding keys under the mat.
- • **Built to Withstand the Elements:** Solid zinc construction with a full weather cover keeps your keys safe rain or shine.
- • **Mount It Anywhere, Own Your Security:** Wall or fixed object installation ensures your keys stay exactly where you want them.
- • **Fits Your Lifestyle, Not Just Your Door:** Compact yet spacious interior holds up to 5 standard keys, perfect for busy professionals.
- • **Trusted Durability with Lifetime Peace of Mind:** Backed by Master Lock’s Limited Lifetime Warranty—security that lasts as long as you need it.

## Overview

The Master Lock 5415D Portable Combination Key Lock Box offers high-security storage for up to five standard keys with a customizable 4-digit combination lock. Crafted from solid zinc and featuring a weather-resistant cover, it’s designed for outdoor use and easy wall or fixed-object mounting. Compact yet durable, this lock box combines convenience with trusted Master Lock quality and a Limited Lifetime Warranty.

## Description

The Master Lock 5415D Heavy Duty Key Lock Box features a 105mm wide metal body for durability and accepts multiple house keys and access cards. Stop hiding your keys under the doormat or under a flower pot. The wall mount design offers permanent installation. Set your own 4-digit combination for keyless convenience and increased security. The protective cover protects combination dials from weather, dirt and grime. The Limited Lifetime Warranty provides peace of mind from a brand you know and can trust.

Review: Great key lock box - This is the most emsevmxure key box that ive used. It's so easy to use. The code generation is an easy process to do. It functions perfectly months after i got it with no problems. It fit perfectly where I wanted to put it. It held up when someone tried to break into it so A+ on security. Perfect value for the price of it I highly recommend.
Review: Excellent quality product - Great quality product, robust and good inside space for my keys and controls. Recommended product. Good delivery time.

## Features

- Heavy duty key lock box for high security storage of up to five standard (2 in.) house keys; designed for installation to a wall or fixed object.Note: Measure your door's backset, cross bore and thickness to ensure you find the right fit.Note: Measure your door's backset, cross bore and thickness to ensure you find the right fit.
- Set your own four-digit combination lock box; reset the combination for thousands of personalized combination code options
- For outdoor use; heavy duty key safe is constructed with a solid zinc body for high security and full weather cover to protect combination dials
- Exterior dimensions: 5.5in (13.2cm) H x 4.1in (10.5cm) W x 1.7in (4.3cm) D; Interior dimensions: 4.4in (11.3cm) H x 2.5in (6.4cm) W x 1.2in (3.1cm D)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08H2JPRQ1 |
| Additional Features | Durability |
| Best Sellers Rank | #48,832 in Office Products ( See Top 100 in Office Products ) #113 in Security Lock Boxes |
| Brand | Master Lock |
| Brand Name | Master Lock |
| Color | Zinc |
| Controller Type | Hand Control |
| Customer Reviews | 4.5 out of 5 stars 868 Reviews |
| Finish Types | Zinc |
| Global Trade Identification Number | 00071649349331 |
| Included Components | Lock Box, Mounting Hardware |
| Item Dimensions | 5.2 x 4.13 x 1.69 inches |
| Item Type Name | Lock Box |
| Item Weight | 3 pounds |
| Item dimensions L x W x H | 5.2 x 4.13 x 1.69 inches |
| Lock Type | Combination Lock |
| Manufacturer | Master Lock Company |
| Manufacturer Part Number | 5415D |
| Manufacturer Warranty Description | Limited Lifetime |
| Material | Zinc |
| Material Type | Zinc |
| Model Name | 5415D |
| Model Number | 5415D |
| Number of Items | 1 |
| Number of Packs | 1 |
| Number of Pieces | 1 |
| Recommended Uses For Product | Security |
| Shape | Mount |
| Special Feature | Durability |
| Style Name | Heavy Duty |
| UPC | 071649349331 |
| Unit Count | 1 Count |

## Product Details

- **Brand:** Master Lock
- **Item dimensions L x W x H:** 5.2 x 4.13 x 1.69 inches
- **Lock Type:** Combination Lock
- **Material:** Zinc
- **Special Feature:** Durability

## Images

![Portable Combination Key Lock Box Adjustable Shackle 5420EC | Key Lock Box For Realtors & Landlords Securely Fits Most Lever, Ball, Biscuit, Tulip Door Knobs, Resettable 4-digit Code - Image 1](https://m.media-amazon.com/images/I/51H0HpzCRyL.jpg)

## Available Options

This product comes in different **Size** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great key lock box
*by K***R on December 10, 2025*

This is the most emsevmxure key box that ive used. It's so easy to use. The code generation is an easy process to do. It functions perfectly months after i got it with no problems. It fit perfectly where I wanted to put it. It held up when someone tried to break into it so A+ on security. Perfect value for the price of it I highly recommend.

### ⭐⭐⭐⭐⭐ Excellent quality product
*by A***R on January 28, 2026*

Great quality product, robust and good inside space for my keys and controls. Recommended product. Good delivery time.

### ⭐⭐⭐⭐⭐ good
*by T***. on January 7, 2026*

for lock model # 5414EC : Good quality construction. it does feel heavy duty and more resistant to people trying to break it, As the faceplate is solid. I would recommend this lock.

## Frequently Bought Together

- Master Lock Heavy Duty Key Lock Box, Key Box, Wall Mount, Share Key Safe’s Combo with Tenants, Guests, Cleaning Crews, Ideal for Landlords, Realtors, Property Managers, Holds 5 Keys, 5415D
- Master Lock 5490D Retractable Lock Box Key Tether Small
- Master Lock Set Your Own combination Wall Mount Lock Box, 5 Key capacity, Black 5401EC

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**Shop now:** [https://www.desertcart.dk/products/283324577-portable-combination-key-lock-box-adjustable-shackle-5420ec-key-lock](https://www.desertcart.dk/products/283324577-portable-combination-key-lock-box-adjustable-shackle-5420ec-key-lock)

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*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-09-02*