Security Levels Explained
To help you chose the right protection for your door Yale products are graded by the level of security they provide.

Maximum:
Maximum security products comply with the latest British Standards and offer the maximum level of security protection. These locks should be used on your external front / back doors and are approved for use by the Police and Insurance companies.

High:
High security products provide a high level of protection and features for internal doors. These locks should only be used on external front / back doors in conjunction with a Maximum security level lock.

Standard:
Standard security products offer convenience locking solutions with basic security features for internal doors. These locks should only be used on external front / back doors in conjunction with a Maximum security level lock.
Universal Fitting:
Product does not have any unique brand specific fixing requirements.