I like the how-to video for setting the combination. How do I open the U-lock hasp to secure it to the door, hose bib, etc?

Simply rotate the combination given when you PURCHASED the lock......pull....and it opens. Also, your own combination number is easy to set with knob inside of unit.

My house key is 2.5 inches long X 1 inch wide and shaped like a car key. Would my house key fit in this product?

The box is 3" x 2 1/2" x 1 1/2" deep, plus some additional space at the top. You should be able to fit the key in.

Can the code be changed?

Yes, easily. When you open the keybox you slide a lever over and then change the combination to anything you want, then slide the lever back and you are done. So you can use the keybox at different properties and never have the same code.

How does this work? Want to use it when I leave an elderly relative home in case fall alert is triggered.

It is a sturdy combination lock which you attach to the outer door handle. Give the customizable combination to your fall alert company, local emergency personnel, and other trusted persons. It works great

Master Lock Set Your Own Combination Portable Key Safe 3

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Description

🔐 Unlock peace of mind with style and strength!

SPACIOUS YET COMPACT - Securely store up to five standard house keys in a sleek, portable design.
BUILT TO BRAVE THE ELEMENTS - Durable metal body with a vinyl-coated shackle and weather-protective shutter door.
UNIVERSAL FIT FOR YOUR DOOR - Shackle designed to fit most ball, biscuit, and tulip door knobs effortlessly.
PERSONALIZED SECURITY AT YOUR FINGERTIPS - Set and reset thousands of unique 4-digit combinations for ultimate control.
TRUSTED DURABILITY WITH LIFETIME WARRANTY - Master Lock’s legacy of security backed by a limited lifetime warranty.

The Master Lock Set Your Own Combination Portable Key Safe is a compact, durable metal lock box designed for indoor and outdoor use. It features a customizable 4-digit combination lock, a weather-resistant shutter door, and a vinyl-coated shackle that fits most door knob styles. With capacity for up to five standard keys and backed by a limited lifetime warranty, it offers secure, flexible key storage for busy professionals who value convenience and reliability.

Specifications

ASIN	B0002YP1VC
Additional Features	Durability
Best Sellers Rank	#76,780 in Home Improvement ( See Top 100 in Home Improvement ) #108 in Combination Padlocks
Brand	Master Lock
Brand Name	Master Lock
Colour	Black
Control Method	App
Controller Type	Combination control
Country of Publication	China
Customer Reviews	4.7 out of 5 stars 24,001 Reviews
Global Trade Identification Number	00071649214516
Included Components	none
Item Dimensions	9.2 x 5.2 x 1.9 Centimeters
Item Type Name	Set Your Own Combination Portable Lock Box
Item Weight	1 Pounds
Item dimensions L x W x H	9.2 x 5.2 x 1.9 Centimeters
Lock Type	Key
Manufacturer	Master Lock
Manufacturer Part Number	5400EC
Manufacturer Warranty Description	Limited Lifetime Warranty
Material	Metal
Material Type	Metal
Model Name	5400D
Model Number	5400D
Number of Pieces	5
Product Finish Type	Painted
Shape	Rectangular
Special Feature	Durability
Style	Portable
Style Name	Portable
UPC	071649214516
Unit Count	1 Count

Reviews

N**A

22.12.2025

R**A

24.03.2025

V**.

19.11.2017

A**S

25.06.2019

N**A

21.03.2024

O**L

27.10.2023

お**よ

26.07.2015

M**N

1.12.2022

C**S

30.10.2019

P**S

27.08.2025

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All products are sourced from US, UK, and UAE. Our prices include international shipping costs, customs duties, payment processing fees and logistics handling to ensure smooth delivery to India. We handle all customs clearance so you don't face any hidden charges later.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

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