Simple Effective Design: Despite its minimalist appearance, the rolling knife sharpening system is astonishingly functional. Simply select your desired angle, secure the blade with the magnetic holder, and roll the sharpening disc back and forth until your knife is as sharp as you need. Versatile Sharpening System: Crafted from industrial-grade diamond and solid wood, this tumbler rolling knife sharpener is designed to hone any knife, regardless of its steel hardness. From European chef's knives to hard steel, stainless steel, and outdoor blades, our durable and efficient abrasive makes quick work of them all. Optimized Angle Selection: this rolling knife sharpening tool ensures that your blades are not only sharp but also durable. It's the ideal solution for performing powerful cutting tasks in the kitchen and beyond. Precision Edge Crafting: This 2 rolling knife sharpener features a magnetic holder with specific angles, ensuring your knives are securely fastened to the wooden stand. Fine Sharpening Precision: The magnetic knife sharpening holder is perfect for creating finely honed edges, suited for delicate work such as slicing sushi, sashimi, Damascus knives, or high-carbon specialty hard steels.