The Chef'sChoice Manual Diamond Hone Knife Sharpener 2 Stage 433 is a versatile kitchen tool made in the United States. This black sharpener features a combination of plastic, diamond, and metal materials for efficient sharpening. With its two-stage sharpening process, this manual sharpener is designed to be easy to clean and has non-slip handles for safe and comfortable use. The product is reusable and includes a built-in knife sharpener, making it a convenient and practical addition to any kitchen.