207 - 77 - 37mm
1.3 kg. = 3.4 lbs.
At the top center is a round stamp that reads from top to bottom: YAMASHIRO TAKAO-SAN (the
mountain and region of the mine, and JUN HONYAMA (original mine) and below that SAIKUTSU-MOTO
TOKUSEN (specially selected from the mine)
And to the right center KOKYU JU (best of the best)
|HARDNESS Based on scale 1-10 8+
GRIT scale 1-10 9+
CUTTING SPEED/STRENGTH 1-10 9
COST Does not include shipping SOLD
*If a diamond plate induced slurry is used.