
The EROS 3 Star Diamond Secure Thumbturn Cylinder featuring an advanced pin system making it virtually impossible for intruders to gain access, with the prestigious Sold Secure Diamond 2024 certification, it ensures robust defence for your home or business.
Home security is constantly evolving, and so are the methods criminals use to gain entry. That’s why the EROS Thumbturn Cylinder is the ultimate choice for protecting your home. With Key Controls two factor authentication it’s not just your lock that’s protected it’s also your key.
What’s in the Pack:
The EROS 3 Star Diamond Secure Thumbturn Cylinder offers enhanced security and convenient operation. With a thumbturn on the inside, you can easily unlock and open your door without needing a key, providing quick egress when needed.



The Thumbturn EROS 3 Star Diamond Secure Cylinder Lock is the perfect solution for those seeking convenience and enhanced functionality without sacrificing security. Designed with ease of use in mind, this door lock features an interior thumb turn mechanism, allowing for quick locking and unlocking without the need for a key from the inside. It is ideal for homes, apartments, or any environment requiring secure yet user-friendly operation.
The Housing act 2004 States that In the UK, thumbturn locks are required on exit doors in holiday homes and Houses in Multiple Occupation (HMOs) to ensure that doors can be opened quickly and without a key in an emergency.
Key Features:
Certifications and Standards:
Key Control
Upon activating your EROS Cylinder Lock guarantee you gain FREE access to our Key Control service which provides a two factor authentication on replacement keys.
In order to have replacement keys cut you will need to authorise this by either email or text message, allowing you to fully control the key security of your cylinder lock.
Tested by locksmiths, trusted by homeowners, the EROS Cylinder gives complete protection.
Maintenance Note:
To maintain optimal performance, it’s recommended to use Lution XM Graphite Lock Lubricant for lubrication. Avoid using oils or WD-40, as they may affect the lock’s functionality and void any warranty on your EROS cylinder.
Extended Security Guarantee: Upon registration, users can activate a £5,000 security guarantee (within 28 days of purchase). This coverage is valid for five years and protects against burglary caused by lock snapping.
The combination of a robust product warranty and a significant security guarantee demonstrates the trust in the product’s quality. It ensures that users are not only buying a lock but investing in a secure, worry-free environment.
Please Note: to ensure your EROS cylinder is properly maintained and it’s guarantee stays valid, we recommend using the Lution XM lubrication and keeping some form of proof of purchase.
New Test Tools:
On the 30th September 2024, PAS24:2022+A1:2024 became the current door accreditation standard. It is directly referenced by the updated 3-star (TS007-1) with bsi, DHF, Sold Secure Diamond and Secured by Design (SBD) are all synchronised.