---
product_id: 78595563
title: "5420EC Set Your Own Combination Portable Lock Box with Adjustable Shackle, 6 Key Capacity"
brand: "master lock"
price: "684 kr"
currency: DKK
in_stock: true
url: https://www.desertcart.dk/products/78595563-5420ec-set-your-own-combination-portable-lock-box-with-adjustable
store_origin: DK
region: Denmark
---

# 4-digit customizable combo Adjustable shackle fits 4+ knob types Weather-resistant with vinyl coating 5420EC Set Your Own Combination Portable Lock Box with Adjustable Shackle, 6 Key Capacity

**Brand:** master lock
**Price:** 684 kr
**Availability:** ✅ In Stock

## Summary

> 🔐 Secure your keys, secure your hustle.

## Quick Answers

- **What is this?** 5420EC Set Your Own Combination Portable Lock Box with Adjustable Shackle, 6 Key Capacity by master lock
- **How much does it cost?** 684 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/78595563-5420ec-set-your-own-combination-portable-lock-box-with-adjustable)

## 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

- • **Portable Powerhouse:** Lightweight and easy to mount or move, this lock box keeps your keys safe wherever your day takes you.
- • **Compact Yet Spacious:** Sleek 7-inch design holds up to 6 keys, perfect for real estate pros and busy managers on the go.
- • **Universal Fit, Zero Hassle:** Adjustable shackle cinches securely to lever, ball, biscuit, and tulip door knobs—measure once, lock forever.
- • **Built to Brave the Elements:** Durable metal body with vinyl-coated shackle and weather cover protects your keys rain or shine.
- • **Personalized Security at Your Fingertips:** Set and reset thousands of unique 4-digit codes for ultimate control and peace of mind.

## Overview

The Master Lock 5420EC is a portable, weather-resistant lock box featuring a customizable 4-digit combination and an adjustable shackle that fits most door knob styles. With a compact design holding up to 6 keys, it offers durable metal construction and vinyl coating for outdoor and indoor use, backed by a limited lifetime warranty.

## Description

Master Lock 5420EC Set Your Own Combination Portable Lock Box with Adjustable Shackle, 6 Key Capacity

## Features

- Adjustable shackle cinches lock box tightly and securely to most lever, ball, biscuit, and tulip door knob styles.Note: Measure your door's backset, cross bore and thickness to ensure you find the right fit.
- Set your own 4 digit combination lock box for easy combination recall, set and reset your combination allowing thousands of personalized combination code options
- For indoor and outdoor use, vinyl coated shackle and molded bumper prevent scratching, metal body construction for durability, weather cover protects combination dials from outdoor elements
- SPECIFICATIONS: External Dimensions: 7in (177.8) H x 2.875 in (72 mm) W X 2.06 in (52.50 mm) D Internal Dimensions: 4.188 in (106.37 mm) H x 2.375in (60mm) W x 1in (25mm) D Shackle Length: 75 in to 1.75 in (19mm to 44mm) Shackle Width: 1.406 in (35.71mm) Shackle Diameter: .375 in (9.52mm)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Master Lock |
| Special Feature | Portable |
| Lock Type | Combination Lock |
| Item dimensions L x W x H | 2.06 x 2.88 x 7 inches |
| Material | Metal, Plastic |
| Recommended Uses For Product | Real Estate, Home Security, Key Storage |
| Style | Adjustable Shackle |
| Color | Black |
| Number of Pieces | 1 |
| Finish Type | Vinyl Coated |
| Included Components | lock box, owners manual |
| Controller Type | Hand Control |
| Shape | Rectangular |
| Item Weight | 1.3 Pounds |
| Control Method | App |
| UPC | 071649312694 |
| Model Name | 5420EC |
| Global Trade Identification Number | 00071649312694 |
| Manufacturer | The Master Lock Company |
| Part Number | 5420EC |
| Item Weight | 1.29 pounds |
| Product Dimensions | 2.06 x 2.88 x 7 inches |
| Item model number | 5420EC |
| Is Discontinued By Manufacturer | No |
| Size | 6 Key Capacity |
| Finish | Vinyl Coated |
| Pattern | 6 Key Capacity, 1 Pack |
| Installation Method | Most Door Knobs |
| Item Package Quantity | 1 |
| Display Style | Front Combination Dial |
| Mounting Type | Portable |
| Special Features | Portable |
| Usage | Outside; Amateur, Outside; Professional |
| Batteries Included? | No |
| Batteries Required? | No |
| Warranty Description | Limited Lifetime Warranty |

## Product Details

- **Brand:** Master Lock
- **Special Feature:** Portable
- **Lock Type:** Combination Lock
- **Item dimensions L x W x H:** 2.06 x 2.88 x 7 inches
- **Material:** Metal, Plastic

## Images

![5420EC Set Your Own Combination Portable Lock Box with Adjustable Shackle, 6 Key Capacity - Image 1](https://m.media-amazon.com/images/I/51j47zV+XbL.jpg)

## Available Options

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

## Frequently Bought Together

- Master Lock Black Portable Key Lock Box with Adjustable Shackle, Set/Reset Combination for Tenants, Guests, Clients, Ideal for Realtors, Landlords or Property Managers, Holds 6 Keys, 5420EC
- Master Lock 5490D Retractable Lock Box Key Tether Small
- 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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**Shop now:** [https://www.desertcart.dk/products/78595563-5420ec-set-your-own-combination-portable-lock-box-with-adjustable](https://www.desertcart.dk/products/78595563-5420ec-set-your-own-combination-portable-lock-box-with-adjustable)

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*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-02-22*