Anself 400/1500 Grit Knife Sharpening Stone Double Sided Combination Whetstone High-grade whetstone ensures good sharpening results. The knife sharpener is small in size, portable and anti-friction. Easy and convenient to sharpen knives, more effective for you. For sharpening kitchen knives, scissors, chopper, hand hay cutter, shave knife, etc. Double-sided sharpening design(400 grit for coarse grinding and 1500 grit for fine grinding).