Suitable for any  sharpening stones up to 6"

Arkansas stones do not require any preparations

Soft - medium grit range

Material: 65G steel

Revision 3

aluminum oxide soft dressing stone f9 Grit:320 Suitable for any sharpening stonesBoride 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