The 12" Isler Oval Steel is designed to sharpen, straighten and smooth knife edges. An ergonomic and durable design, Isler products provide a safe and comfortable grip. Featuring an extremely hard special coating (2000 Vickers hardness-grade), this product is tailored for restaurants and butcher shops. The large oval surface area allows for quick and effective sharpening while the hanging ring is in place for convenient storage. All Isler sharpening steels are produced to a very high standard in Switzerland.