Combination water stone- #400 & #1000 grit with base
Grit #400- is for repair, #1000 grit is for sharpening and basic finishing
Pre-soak the water stone for 10-15 minutes before use
Instructions are included
The Messermeister Two-Sided 400/1000 Water Combination Sharpening Stone is used to maintain & sharpen. Grit #400 is used to repair nicks, damaged knife blades or very dull knives. Grit #1000 is to sharpen and maintain the knife edge. This stone provides a complete solution to maintaining your knives. Water stone measures 7 1/2 X 3 X 1-inch.