Master Lock 5415D Heavy Duty Combination Key Safe

Quickfind Code : B1175 More info
Master Lock 5415D Extra Secure Heavy Duty Key Safe - ideal for secure storage of keys for outdoor use to allow access to a spare key for holiday rentals and Carers.
More info
Master Lock 5415D Extra Secure Heavy Duty Key Safe - ideal for secure storage of keys for outdoor use to allow access to a spare key for holiday rentals and Carers.


Masterlock 5415D extra secure external mini key safe with dial combination lock. Manufactured from solid zinc and with a thermoplastic cover which makes it very weather resistant. Ideal for the storage of keys, credit cards etc.4-digit programmable combination offering 10,000 possible codes. Wider spaced dials for ease of use.

Features of the Master Lock 5415D Heavy Duty Combination Key Safe

  • Master Lock 5415D external key safe. Ideal for: 
  • Storage of keys, credit cards etc
  • Better resistance to hammering and sawing
  • Weather resistant - Thermoplastic cover
  • Discretely fixes to the wall - fixings included
  • Solid heavy duty zinc body
  • Lifetime guarantee

Uses for the Master Lock 5415D Heavy Duty Combination Key Safe

  • Store a spare key in case you lose your keys while out - saves breaking a window!
  • Used by children to gain access and avoids kids being locked if they mislay their key
  • Ideal for use by guests to gain remote access to holiday homes and lets
  • Care workers and District Nurses can gain access when visiting the elderly or infirm
  • Used by businesses to allow access to security keys in an emergency
  • Secure safety lockout keys to improve safety in factories and workshops

How to install the 5415D Heavy Duty Combination Key Safe

  • Select a secluded wall where the key safe is obscured from the street by vegetation etc
  • The key safe has pre-drilled holes in the rear box
  • Open the door using the default code and place the key safe box in position
  • Using the holes in the rear face mark the drilling positions with an awl or chalk
  • Remove the key safe box and using an electric hammer drill with a masonry drill bit to make the holes
  • Use the fixings supplied to secure the key safe in position
  • These fixings can only be removed if one has access to your code
  • Follow the instructions supplied to change the 4 digit code to your preference
  • Replace the door and your key safe is now ready for use

Useful advice and information in the use and uses of Outdoor Key Safes


  • Brand: Master Lock
  • Key Storage Product Range: Master Lock Outdoor Key Safes
  • Manufacturer Part #: 5415
  • Condition: New
  • Choice of Key Safe Lock: Number Dial Lock
  • Fixing Options: Rear fixing to a wall
  • Colour: Grey
  • Weight (kg):
    0st, 3lbs (approx)
  • Warranty Period: Lifetime
  • Standard Delivery Time: 1-2 business days
  • External Dimensions
    H 135 x W 105 x D 46 (mm) H 5.31 x W 4.13 x D 1.81 (inches)
  • Internal Dimensions
    H 96 x W 64 x D 35 (mm) H 3.78 x W 2.52 x D 1.38 (inches)

Customer Reviews


Click here to ask us a question...

As this is made of zinc, is it the best outdoor key box?

Not necessarily. Being Zinc it would not corrode, but the other key safes are protected from the weather in other ways such as rubber or integral plastic covers. If security is an issue you should look at the Police Approved models as well.

Question asked by Andrew on 14 Oct 2016

Expert Guides



*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.

£51.00 inc VAT

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FREE Delivery 1-2 business days

Extra service delivery times vary

0800 567 7549  0117 929 2104

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