High Security Heavy Digital Key Safe - Master Lock 5426

Quickfind Code : B1398

Do you need to store Large keys and Access Cards? The Master Lock 5426 is  a really large high security key safe to store your keys and access cards outdoors? The Master Lock 5426 Certified Extra Large Key Safe is the answer - the heaviest key safe around at 2.8kg (6ibs) and will accept a Mortise Key up to 146mm (53/4") in length .
The Master Lock 5426EURD High Security Large Key Safe is really secure and can be programmed with a choice of up to 16,000 codes.

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This Master Lock 5426EURD high security wall mounted key safe is certified to withstand the most stringent attack tests - It is certified by Secured by Design (Police Preferred Specification) Sold Secure and CNPP (France) with large storage capacity that allows keys to be left outside in a secure box for authorised people to access with a combination code.

Features of the Master Lock 5426 High Security Outdoor Key Safe 

  • The Master 5426 Security Certified wall mounted key safe
  • Weighs a massive 2.8kg - 6lbs - a a beast of a keysafe
  • Extra Large storage for bunches of keys, access cards, credit cards.
  • Can hold up to 6-8 keys depending on key size
  • Maximum length of key - Mortise Key up to 146mm (53/4")
  • Recessed door construction offers better protection against lever attacks
  • Set up your own code easily - as often as you like to be secure
  • Up to14 Digit combination - 16,000 possible combinations
  • Reinforced Zinc alloy Body withstands hammering and sawing
  • Extra heavy body for security and strength - 2.8kg
  • It's ideal for use in domestic and commercial applications,
  • Wide Spaced push buttons for ease of use
  • Removable black ABS plastic hinged cover for greater weather resistance
  • Wall mounted design including fixing screws (wall plugs not included)
  • Accessories included - Recode tool, Key Hook and Plastic tray
  • Pre-drillede 8mm diameter fixing holes - fixings not included

Security Test Certification of the Master Lock 5426 High Security Key Safe

  • Secured by Design Police Preferred Specification
  • Sold Secure Certified
  • CNPP - France Security Certification

Uses for the Master Lock High Security Key Safe 5426 for Storing Spare Keys

  • Used extensively by Social Services throughout the UK to allow Health Visitors access to Patients
  • Fitted by Local councils for use by Carers visiting the Elderly or Infirm who have mobility issues
  • Popular with Holiday Letting Companies to allow remote access to paying guests
  • Allows children to have safe and secure access to the family home when parents are out or late
  • Used by emergency services such Police, Fire and Ambulance for Speedy access
  • Used by businesses to allow access to premises out of hours

Helpful resources to allow you to choose the best Key Safe for your use


  • Key Storage Product Range: Master Lock Outdoor Key Safes
  • Manufacturer Part #: 5426EURD
  • Brand: Master Lock
  • Colour: Silver
  • Condition: New
  • Choice of Key Storage Lock: Mechanical Push Button Lock
  • Fixing Options: Rear fixing to a wall
  • Weight (kg):
    0st, 6lbs (approx)
  • Warranty Period: Lifetime
  • Standard Delivery Time: 1-2 business days
  • External Dimensions
    H 173 x W 103 x D 75 (mm) H 6.81 x W 4.06 x D 2.95 (inches)
  • Internal Dimensions
    H 130 x W 66 x D 22 (mm) H 5.12 x W 2.60 x D 0.87 (inches)

Customer Reviews

Customer Reviews

See the latest reviews from our customers

25.10.2018 | 09:21
To be used for allowing access to property without the need to be present. A very strong and sturdy key safe. Keys used are larger than the standard entrance key and this is therefore perfect for longer keys. Hook included to make it easy to hang keys inside and close the door without any fuss.
28.09.2018 | 11:51
Used to store an emergency key to unlock entrance gates in the event of a power supply fault


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*However if the basket value is less than £50 there is a small order Handling Charge of £2.99 incl. VAT to cover administration only

*Does not include Highlands and Islands plus Northern Ireland  - Contact us for price

*All Steel Storage and Safes with weights exceeding 100kg will be liable for an extra charge if delivered north of the line between Glasgow and Edinburgh.

Delivery Times

Average Delivery times are listed against each individual product. Normally the delivery times (except where detailed) are :

Products weighing less than 30kg take 1-5 working days

Products weighing 31-100kg take 5-7 working days

Products weighing more than 100kg take 5-10 working days unless on a kerbside pallet delivery

Lockers and Steel Storage are delivered to your nearest kerbside entrance in 10-15 working days unless specified on the individual product.

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Returns & Refunds

This policy is offered in addition to your statutory rights.

You may return your purchase to Safe Options for a refund by obtaining a Customer Return Authorization (CRA) number within 14 days of the delivery date. To obtain a CRA please e-mail your invoice or order number and reason for return using the contact form. Alternatively you may contact our customer service department on 0117 929 2104.

Please note returns are subject to the following conditions:

1. You must have received a CRA number from our customer service department.
2. The product must be in "as new" condition, with original packaging and with all manuals and accessories.
3. You will receive a refund excluding the original delivery charge included in our price.
4. Special services such as Professional Installation are non-refundable.
5. Made to order items such as cut keys, keyed alike locks, Steel Cabinets and Lockers are non-refundable.
6. Products with bespoke modifications that are not available to order online are non-refundable.
8. Please allow up to 28 days for refunds to be processed and credited to your account.


If the product you purchase is faulty, we may offer a repair, exchange or refund as appropriate in accordance with your legal rights. Please email customer services or contact us on 0117 929 2104 if you feel your purchase is faulty.

£84.00 inc VAT

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Extra service delivery times vary

0800 567 7549 0800 567 7549

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