Hey, I’ve been offered the exact same hun, I’ve been told that they would definitely both take me to the D range, I’m having mine with Mr Traynor 29th July and he said that if I was to go have my operation and him not tell me which implant he used- I actually wouldn’t be able to tell!! there isn’t much difference between the two sizes- So I tried them on one last time and I’ve chosen to go with the 350cc. Are you having HP unders or overs etc? xxxx