The TSUBOMAN Atoma ATM75-1.4E #140 Diamond Plate Knife Sharpening Flattening Rough is a high-quality replacement blade designed for knife sharpening and flattening tasks. Made from durable metal, this blade features a rough surface for efficient sharpening and flattening of knives. The TSUBOMAN brand ensures reliability and precision in maintaining the sharpness of your kitchen knives. Ideal for home cooks and professional chefs alike, this product is a must-have for keeping your knives in top condition.