Roughly 4.5" x 2" x 1.5" thick.

I bought this from Alex along with several others. This is one from the air raid shelter. It's an exceptionally fine and extraordinarily fast stone. I believe it was number 29, and he has a video on YouTube of the testing he did with this stone. I have too many and would rather this stone get used rather than collect dust. It's on the small side, but it's manageable and it's very thick.

$200 + $7.10 usps flat rate shipping

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