Properly sharpened knives, scissors and tools not only do their jobs better, they're safer to use, too. Dull cutting edges require more force & effort from the user which increases the likelihood of slips or miss-cuts - and poorer-quality results. Make sure all of your important cutting instruments have like-new edges with this premium grade, easy-to-use accessory. Simply rotate the 4-sided block in the holder to choose progressively finer abrasive surfaces. Dimensions: whetstone block 6-1/4-Inch by 2-1/4-Inch by 2-1/4-Inch; holder 7-1/2-Inch by 3-1/2-Inch by 2-1/2-InchH. Combined weight 1 lb. 2 oz. Use for kitchen & hunting knives, scissors, shears and any tool that requires fine cutting edge.