I bought my 10 year old nephew a pocket knife for his birthday and wanted to give him a sharpening stone. I've heard about this sharpener from other enthusiasts and thought it would be great for teaching them proper technique. When I saw a set of two knives I decided to try one of them myself. I have owned knives for 40 years and have used many different whetstones and systems. Considering the price I paid, the simplicity and full feature set, and its size, this is the absolute best all roundβ¦