The Victorinox Swiss Army 4.3391.8 is a high-quality coarse replacement honing system designed for optimal knife maintenance. Measuring 11-1/2 x 2-1/2 x 1/2 inches, this sharpener ensures your blades maintain their edge for precision cutting. Its durable construction provides long-lasting performance, making it an essential tool for both professional chefs and home cooks. Enhance your culinary experience with this reliable honing system that keeps your knives sharp and ready for any task.