Best Master Key Systems of 2026

Name: L&F Lowe and Fletcher 8 Piece Master Key Set
Brand: WITPOCE

Corey Phillips

Last Updated: 4 Feb 2026

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Master key systems are a convenient solution for managing access to multiple doors within a building. They provide a hierarchy of keys that allow designated individuals to access specific areas while restricting access to others. These systems are particularly useful for commercial and institutional settings, where multiple individuals require access to different areas. With a master key system, building managers can easily control who has access to which doors, and reduce the need for multiple keys. This can improve security, simplify key management, and provide a more efficient and effective way to manage access to buildings.

At a Glance: Our Top Picks

#TOP 1

L&F Lowe and Fletcher 8 Piece Master Key Set

9.8

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#TOP 2

NKS Radar Key for Disabled Toilets

9.7

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#TOP 3

Red Fire Alarm Keys - Universal Metal Reset & Replacement Keys for Break Glass Call Points, Fire Alarm Panels & Testing - 9-Pack

9.5

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Top 9 Master Key Systems

#TOP 1

L&F Lowe and Fletcher 8 Piece Master Key Set

WITPOCE
L&F-MK-8P
Green

Lowe and Fletcher Master Key Set 8 Piece Set

The L&F Master Key Set includes eight professionally cut keys designed specifically for Lowe and Fletcher mastered locks. You will find it convenient as it fits a variety of series, including 35, 66, 70, and others. This versatility means you can easily manage multiple locks with just one set of keys. The precision cutting ensures that the keys function smoothly, providing reliability and efficiency in your locking system. This set is ideal for anyone needing a comprehensive key solution for their locking needs.

9.8

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What We Like

Professionally cut keys
Compatible with multiple lock series
Reliable and efficient
Convenient key management

#TOP 2

NKS Radar Key for Disabled Toilets

Meter Box Repair Kit
NKS radar
Without Access Card
2-Pack

NKS Radar Key Disabled Toilet Bathroom Door Access Braille Easy Turn Pack Opens Over 10,000 Disabled Toilets (1) (2)

The NKS Radar Key is an essential tool for accessing over 10,000 disabled toilets across the UK. Its sturdy plastic head and steel key ensure durability for regular use, giving you peace of mind. The universal fit means it works with most standard disabled toilet locks, making it convenient to carry around. Additionally, the Braille inscription allows for easy identification, ensuring that you can quickly find and use the key when needed. This key is designed to provide accessibility and independence for users requiring disabled toilet facilities.

9.7

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What We Like

Access to over 10,000 toilets
Durable and sturdy design
Universal fit for most locks
Easy identification with Braille

#TOP 3

Red Fire Alarm Keys - Universal Metal Reset & Replacement Keys for Break Glass Call Points, Fire Alarm Panels & Testing - 9-Pack

TruMed
5065021247891
9-Pack

Red Fire Alarm Keys – Universal Metal Reset & Replacement Keys for Break Glass Call Points, Fire Alarm Panels & Testing – 9-Pack

Features

Heavy-Duty Metal Construction – Made From Durable, Long-Lasting Metal With A Bright Red Finish For Easy Visibility; Reliable Reset And Replacement Keys Built For Repeated Use In Testing And Emergencies.
Universal Fire Alarm Reset Key – Designed To Fit Most Standard Fire Alarm Break Glass Call Points, Resettable Panels, And Test Units, Making These Keys Essential For Safety Compliance And System Access.
Portable & Easy To Store – Lightweight And Compact, These Red Fire Alarm Keys Can Be Attached To Keyrings, Lanyards, Or Tool Kits, Ensuring You Always Have A Reset Tool Ready When Needed.

9.5

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#TOP 4

NKS Radar Key Disabled Toilet Bathroom Door Access Braille Easy Turn Pack Opens Over 10,000 Disabled Toilets with Access Card — with Just Can't Wait Card

Meter Box Repair Kit
1 Blue Radar Key & Access Key
With Access Card
1-Pack

NKS Radar Key Disabled Toilet Bathroom Door Access Braille Easy Turn Pack Opens Over 10,000 Disabled Toilets with Access Card — with Just Can't Wait Card

Features

DESIGNED FOR EASY GRIP AND COMFORT: Featuring A Bright Blue, Bow-Shaped Handle, This Radar Disabled Toilet Key Uk Is Designed For Individuals With Limited Hand Strength. The Ergonomic Handle Provides An Easy Grip, Making It Comfortable And Effortless To Use.
UNIVERSAL ACCESS TO 10000+ DISABLED TOILETS ACROSS THE UK: This Pack Of 3 NKS Radar Key Uk Provides Access To Thousands Of Locked Disabled Toilets Nationwide, Offering Convenience And Dignity For Those With Accessibility Needs In Public Spaces Like Malls, Parks, And More.
VISIBLE AND EASY TO RECOGNIZE IN ANY SETTING: The Blue Colour And Distinctive Shape Make This Disability Toilet Key Easy To Locate And Identify, Reducing The Risk Of Misplacement. The Hole For Attaching A Key Fob Adds Extra Convenience, Making It Suitable For Carrying On Keychains.

9.3

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#TOP 5

NKS Radar Key Disabled Toilet Bathroom Door Access Braille Easy Turn Pack Opens Over 10,000 Disabled Toilets (1) (1)

Meter Box Repair Kit
NKS radar
Without Access Card
1-Pack

NKS Radar Key Disabled Toilet Bathroom Door Access Braille Easy Turn Pack Opens Over 10,000 Disabled Toilets (1) (1)

Features

Please Note : Image Shows The Front And Back Of The Key , It Is Not 3 Keys , 1 Means 1 Key , 2 Means 2 Key , 5 Means 5 Keys.
Key With Plastic Head And Steel Key
Universal Fit: Designed To Work With Most Standard Disabled Toilet Locks.

9.1

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#TOP 6

Disabled Toilet Key UK (1 Key) Radar Key for Access to Disabled Toilets with Large Easy Turn Handle

HowseHold
HOWSEDKEY
Silver
1 Key

Disabled Toilet Key UK (1 Key) Radar Key for Access to Disabled Toilets with Large Easy Turn Handle

Features

Accessible Toilets Nationwide – The RADAR Key Provides Access To Over 10,000 Locked Disabled Toilets Across The UK, Including Those In Shopping Centres, Train Stations, And Public Buildings, Ensuring Convenience And Privacy For People With Disabilities.
Included In The Pack – This Product Includes A Set Of One Large-Handle RADAR Keys, Designed For Easy Grip And Comfortable Use. Each Key Is Compatible With The UK's National Key Scheme (NKS), Ensuring Reliable Access To Thousands Of Locked Disabled Toilets Across The Country.
Trusted By Councils And Organisations – Recognised By Local Councils, Charities, And Disability Organisations, The RADAR Key Is A Widely Accepted Solution That Grants Disabled Individuals Access To Clean, Safe, And Secure Toilet Facilities Throughout The UK.

9.1

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#TOP 7

EASYGUARD cl13-rt0107 central door locking system keyless entry with 4 actuators 1 master 3 slaves DC12V

Easyguard
cl13-rt0107

EASYGUARD cl13-rt0107 central door locking system keyless entry with 4 actuators 1 master 3 slaves DC12V

Features

Compatible With 95% Dc12v Cars On The Market.
EASYGUARD Remote Contral Door Locking System With Keyless Entry, Remote Trunk Pop
With 1 Piece 5-Wire Door Lock Actuator & 3 Piece 2-Wire Door Lock Actuators

9.1

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#TOP 8

NKS Radar Key Disabled Toilet Bathroom Door Access Braille Easy Turn Pack Opens Over 10,000 Disabled Toilets with Access Card (3) — with Just Can't Wait Card

Meter Box Repair Kit
3 Red Keys With Access Card
With Access Card
3-Pack

NKS Radar Key Disabled Toilet Bathroom Door Access Braille Easy Turn Pack Opens Over 10,000 Disabled Toilets with Access Card (3) — with Just Can't Wait Card

Features

DESIGNED FOR EASY GRIP AND COMFORT: Featuring A Bright Red, Bow-Shaped Handle, This Radar Disabled Toilet Key Uk Is Designed For Individuals With Limited Hand Strength. The Ergonomic Handle Provides An Easy Grip, Making It Comfortable And Effortless To Use.
Please Note : Image Shows The Front And Back Of The Key , It Is Not 3 Keys , 1 Means 1 Key , 2 Means 2 Key , 5 Means 5 Keys All Come With 1 Access Card
VISIBLE AND EASY TO RECOGNIZE IN ANY SETTING: The Red Colour And Distinctive Shape Make This Disability Toilet Key Easy To Locate And Identify, Reducing The Risk Of Misplacement. The Hole For Attaching A Key Fob Adds Extra Convenience, Making It Suitable For Carrying On Keychains.

9.0

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#TOP 9

NKS Radar Key Disabled Toilet Bathroom Door Access Braille Easy Turn Pack Opens Over 10,000 Disabled Toilets (1) (5)

Meter Box Repair Kit
NKS radar
Silver

NKS Radar Key Disabled Toilet Bathroom Door Access Braille Easy Turn Pack Opens Over 10,000 Disabled Toilets (1) (5)

Features

Please Note : Image Shows The Front And Back Of The Key , It Is Not 3 Keys , 1 Means 1 Key , 2 Means 2 Key , 5 Means 5 Keys.
Key With Plastic Head And Steel Key
Universal Fit: Designed To Work With Most Standard Disabled Toilet Locks.

9.0

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Frequently Asked Questions (FAQs)

1. How does a master key system work?

Master key system is a system that allows two or more keys to open one lock. Master keys will be able to open multiple locks. The greater the difference between the master key and the change key, the more master wafers will be needed. The more master wafers, the more possible keys can open the lock.

2. How much does a master key system cost?

Based on national averages, a traditional small format interchangeable core system typically costs $35 for every lock, $3 for each key and $3 for each Master key.

3. What does master key stand for?

A master key is a key which will open all the locks in a set, even though each lock has its own different key. COBUILD Advanced English Dictionary.

4. Does master key exist?

Any key that can open two or more locks is considered a master key. Many master keys use pin and tumbler locks. For a master key to work, though, there must be something called master wafers inside the lock.

Editor's Notes

During our master key system research, we found 9 master key system products and shortlisted 9 quality products. We collected and analyzed 2,629 customer reviews through our big data system to write the master key systems list. We found that most customers choose master key systems with an average price of £20.00.

The master key systems are available for purchase. We have researched hundreds of brands and picked the top brands of master key systems, including WITPOCE, Meter Box Repair Kit, TruMed, HowseHold, Easyguard.

Written by

Corey Phillips

Corey Philips is an electrician and lighting expert. He graduated from the University of Birmingham in 2012 with a Bachelor's degree in electrical and electronics engineering. Corey is a specialist contractor in lights. He sells and installs and recommends lights and lamp sheds, and other lights accessories. Aside from that, Corey is vast in installing and maintaining electrical appliances like air conditioners, water heaters, and the likes.