Quote Originally Posted by Philadelph View Post
I have often wondered if the GS are are marketing thing by Shapton... 5mm on fancy looking glass as opposed to 15mm of pure hone... similar hardness/grit ratio... Sounds like Shapton wants more buyers, more often!

When I first saw them I wondered that too...but according to their propaganda the skinny ceramics will last as long and they're a whole lot cheaper than the Pro.

Since I'm not doing this professionally I'm more worried about dropping and breaking one than wearing it out. They do seem to be fairly hardy though as I did somehow manage to drop my 16k and it didn't shatter.