Shapton Glass Stone Seven 4.00 Micron, 70402

The Shapton Glass Stone Seven 4.00 micron, 70402 is a fine sharpening stone from the Shapton Glass Stone Seven collection. With a grain size that is comparable to a 3000 grit Japanese water stone, this stone is mainly meant to sharpen relatively sharp and undamaged knives. If you wish to sharpen blunt knives it is best if you use the Glass Stone Seven sharpening stones with a higher micron and for razor-sharp results the Glass Stone Seven sharpening stones with a lower micron.