The key will not unlock the code

Have you set the code using the key supplied? If so you need to make sure the numbers are correctly aligned, they can be a little temperamental. If this does not work can you reset using the key provided?

I bought a lock and it won’t open with the code i set it to... the override key won’t work either. how can i send this back? it’s only a month old!

You will need to cut the back of the packaging to reveal the code to that padlock and then you can use the key to change the combination to your choice hope I have helped you in anyway?

Just bought this lock and the reset tool is missing.

Ask the seller for a new reset tool.

I can't open the lock

Wiggle the key and try and make sure it is pushed in far enough. Also check the numbers are aligned correctly.

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M40EURDNUM

Product ID: 48770946

Details

Brand
Master Lock
Item dimensions L x W x H
9.3 x 7 x 3
Lock type
Combination
Material
Stainless
Special feature
Anti-Drill Cut

🔒10,000 combo possibilities

🌧️Weatherproof stainless steel

🛡️Level 8/10 security rating

$67

Duties & taxes included

In stock

Sold byAmazon BermudaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔐 Lock in security, unlock your peace of mind.

LIFETIME PEACE OF MIND - Backed by a limited lifetime warranty against mechanical failure.
BOLT CUTTER PROOF SHACKLE - Octagonal boron-carbide shackle is 50% harder than hardened steel for ultimate cut resistance.
RUGGED STAINLESS STEEL ARMOR - Built to withstand harsh weather and resist scratches with a reinforced bumper.
VERSATILE OUTDOOR INDOOR USE - Perfect for storage units, sheds, trailers, and more—security wherever you need it.
UNBEATABLE 10 000 COMBO SECURITY - Set your own 4-digit code for personalized, high-level protection.

The MASTER LOCK Heavy Duty Combination Padlock offers a robust security solution with a stainless steel body and a boron-carbide shackle that resists bolt cutters. Featuring 10,000 customizable combinations and a weatherproof design, it’s ideal for both indoor and outdoor applications like storage units, sheds, and trailers. Rated 8/10 for security and backed by a limited lifetime warranty, this padlock ensures durable, reliable protection wherever you need it.

Specifications

ASIN	B00HUWZRS6
Best Sellers Rank	7,633 in DIY & Tools ( See Top 100 in DIY & Tools ) 32 in Combination Padlocks
Brand	Master Lock
Colour	Silver/Black
Control Method	App
Country of Origin	China
Customer Reviews	4.0 4.0 out of 5 stars (4,720)
Finish	Zinc
Global Trade Identification Number	00798256159008
Included Components	1 padlock
Item Dimensions	9.3 x 7 x 3 centimetres
Item Type Name	MASTER LOCK High Security Disc Padlock [Combination] [Stainless Steel] [Outdoor] M40EURDNUM - Best Used for Storage Units, Sheds, Garages, Trailers and More
Item Weight	0.31 Kilograms
Lock Type	Combination Lock
Manufacturer	Master Lock
Manufacturer Warranty Description	Limited lifetime warranty against mechanical failure.
Material	Stainless Steel
Model Name	Excell Disc padlock
Model Number	M40EURDNUM
Number of Items	1
Number of Pieces	1
Part Number	M40EURDNUM
Recommended Uses For Product	Garages, Gate, Outdoor, Shed, Toolbox
Shape	Circular
Special Features	Anti-Drill, Cut Resistant, Passcode Unlock, Resettable, Weather Resistant
Style	Disc Padlock
Unit Count	1.0 count

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Yusuf A.

Fantastic experience overall. Will recommend to friends and family.

1 month ago

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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$67