Revision 3

Suitable for any  sharpening stones up to 6"

Composition: Highly compressed siliceous shale from the Hon-Kuchi Naori geological formation

Spyderco DoubleStuff stones

Venev 2000 is an ultra-fine finish (approximately 15K waterstone grit)

aluminum oxide soft dressing stone f9 Grit:320 Revision 3Boride Aluminum Oxide Dressing Stone is a maintenance stone for cleaning, refreshing, flattening, and resurfacing sharpening stones in 6" x 1" Edge Pro form factor. It uses White Aluminum Oxide abrasive with Boride vitrified bonds F9 and G9. It provides controlled resurfacing and routine maintenance with lower risk of excessively roughening the stone surface. Compared to Silicon Carbide versions, it works more gently and leaves a smoother refreshed