difference in size between 420mp and 460hp

Hi
What’s the difference between 420 and 460 ?
I get the moderate an high profile bit
But is there a difference in width between them both ? As they are both in the 400’s I assume the whole circle area is the same
Any advice grateful please xx

Have a look here to see the exact measurements.

https://www.google.co.uk/url?sa=t&source=web&rct=j&url=http://www.mentorimplants.fi/files/mentor_tuotekatalogi_2016.pdf&ved=2ahUKEwiVoKyv8pjcAhXRUlAKHVUpBqgQFjABegQIBhAB&usg=AOvVaw1TYt2bFXf_NKpAOaBMRLy7
They use siltex cohesive 2

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