Connect Standard strikers is used when there are no specific security requirements. An approved lock cases require an approved striking plate which can be found under the category Security striker. Our recommendation is to (as far as possible) use the security striker. It will make it easier to upgrade the door environment if required. Standard striking plates Security striking plates Adjustable security striking plates Do you want to create a safe lock environment? ASSA OEM has created "The lock guide by ASSA OEM", and it's made to give you knowledge and tips about approved lock sets. We really encouring poeple to read our tips and guidelines here: The lock guide Want to download our product catalogues? If you prefer to download our product catalogue - you can download it here! We also provide instructions, declarations and other documents in our download documents section.Check it out!