So Sharp, So Easy. Sharpen both sides of the cutting edge simultaneously so there is no burr, no mistakes, no complex steps. Gives a super sharp, hollow ground, highly polished edge very quickly. Easy to grip and use. Dishwasher safe!. Both sides of the blade are sharpened simultaneously with just a few strokes. Stones guide the blade to a perfect angle every time - eliminates guesswork and unevenly sharpened blades. Blue DiamondStones set a new edge. White fine-grit ceramic stones give a final polish. Features:. DiamondStone collection. Specifications:. No assembly required. Warranted for life - 100% satisfaction guaranteed. Dimensions: 8.8'' x 7'' x 1.2''.- SKU: MCGRWN011