Elevate your knife maintenance routine with the AccuSharp TriStone Alumina-Oxide Knife Sharpener. This versatile system caters to all your sharpening needs with its three alumina-oxide sharpening stones offering coarse medium and fine grits of 120 180 and 240 respectively. The durable design includes a rubber grip base ensuring stability and safety by preventing slips during use. Ideal for mounting on most countertops this sharpener provides a secure placement for effortless honing. With an included angle guide you'll achieve consistent sharpening angles every time making it an essential tool for both novice and experienced knife enthusiasts.