The Shun AP0163ENG Manual Hand-Held Serrated Knife Sharpener is specifically designed for commercial kitchens and restaurants that rely on high-performance serrated blades. This sharpener is ideal for maintaining the edge on a wide range of serrated knives, including bread and utility knives, with its specialized design for wide or reversed scallop serrations. The built-in blade guide ensures consistent contact during use, while the non-slip base and ergonomic handle accommodate both left- and right-handed users, making it a versatile addition to any professional kitchen. With a 5-year warranty against manufacturer defects, this Shun sharpener combines durability with precision, helping you maintain blade performance without compromising safety or efficiency.