The PriorityChef Kitchen Knife Sharpener is a premium manual tool designed for sharpening kitchen knives. Made in the United States, this sharpener features durable diamond rods for efficient and effective knife sharpening. The brand, PriorityChef, is known for producing high-quality kitchen tools and gadgets, making this sharpener a reliable option for keeping your knives in top condition for optimal performance in the kitchen.