Shun 300/1000 Combination Whetstone Dual-sided whetstone with 2 types of ceramic grit--300 grit and 1000 grit Sharpens knives and then hones the edges to a smooth finish Works best when wet down for both lubrication and cleaning Easily stores in a kitchen drawer when not in use; comes gift boxed Measures 6 by 3-1/5 by 1-4/5 inches