Culinary Mastery at Your Fingertips with the Victorinox Swiss Army, 4.3391.1 Knife, Sharpener Honing System. This essential tool from Victorinox Swiss Army is designed to keep your knives in top-notch condition, ensuring precision and efficiency in your commercial restaurant. The 4.3391.1 model features a replacement sharpening stone made of India bench coarse/fine aluminum oxide combination, providing a versatile solution for maintaining the sharpness of your knives. With its user-friendly design, this honing system is easy to use and delivers professional results. Whether you’re slicing, dicing, or chopping, this honing system will help you achieve the perfect cut every time. Elevate your culinary skills and experience the difference with this indispensable tool.