Are different vendors selling different profiles? I noticed 210 at jww is only 45mm tall, where other places are listing them at 48 to 50mm. Also have people seen 255mm gyutos with 48mm heel?
Yeah they just make whatever the hell they feel like making.
I don’t think the profile changes to much from knife to knife, but weight and height sure do.
As was noted above, Shigefusa tends to under- and oversize their knives. In my personal collection the length varies between -8% to +6%, meaning, a knife sold as 300mm can be 'small' as 277mm, or 'large' as 312mm. Keep in mind, many folks have different ways of measuring
Also, sizes such as 188, or 215 were/are/tend to be sold by JWW.
For blade height, as Spipet said, check my website as i recorded detailed sizes on all the knives.
Yup, I checked out your website and it's very informative. Most of your knives are pretty tall. I picked one up recently that I thought the dimensions were unusual, but from the responses here seems like it's quite normal.