Yep these will stick out like a sore thumb on an x-ray.
Just for info on the website it says 2 working days for approval. But when you send the email you get an auto reminder saying 7 days for a response.
To be on the safe side and as the flight is on Friday I will not be taking them. Do not want to be getting the dreaded tannoy announcement or causing mass consternation with security staff.