If you’re interested in purchasing a premium quality diamond rod knife sharpener, then look no further. This 2-in-1 Diamond steel delivers high-performance sharpening and a great level of durability. The Grunwerg 2 in 1 Rockingham Forge sharpening steel include both fine and coarse diamond coated stainless steel sides. The 300 grit is used for damaged and blunt knives and the 600 grit is used for fine honing of an already sharpened blade. The sharpening steel has a shaped handle for a firm and comfortable grip. The steel can be used in two ways, firstly the tip can be placed firmly on a surface the knife blade at a 20° angle can move downwards with gentle pressure for sharpening. Alternatively, the steel can be held in an upright position again moving the knife blade at a 20° angle downwards carefully lightly pressed against the steel. 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.