The Mercer Culinary M15910 is a 10-inch diamond sharpening steel designed to maintain the sharpness of your knives. Featuring a durable black polypropylene handle, it offers a comfortable grip for enhanced control during use. Made in the USA, this sharpening steel is built to last, ensuring your kitchen tools remain in peak condition. The diamond surface effectively hones and sharpens blades, making it an essential tool for both professional chefs and home cooks.