The Salter Professional Knife Sharpener is a 4-in-1 adjustable tool designed for kitchen use. Made from durable aluminum alloy, this non-slip sharpener is eco-friendly and perfect for keeping your knives in top condition. Its adjustable design allows for easy sharpening of various types of knives, making it a versatile addition to any kitchen. With its sleek black design and reliable performance, this knife sharpener is a must-have for any home cook looking to keep their knives sharp and ready to use.