Having a sharp enough knife to cut the toughest of foods is a must whenever you cook so if you’re interested in purchasing high quality diamond knife sharpeners, then look no further. This range of steels deliver high-performance sharpening and a good level of durability. With a slick design and soft handles for comfortable use, this steel is a must own for anyone looking to take care of their favourite knives. This sharpener will help you keep your knives in the best quality possible, allowing you to cut with ease. Instructions for use are featured on the back side of the product packaging. Founded in 1945, the award-winning Grunwerg family business produces high-quality household goods and catering products, specializing in high-quality steel. The Grunwerg family is the head of the company. positioned in the steel city of Sheffield. The guaranteed high-quality Grunwerg product range remains the first choice among professionals and renowned chefs in the food industry.