Ultra-sharp 7-inch ceramic serrated slicing blade is also perfect for slicing larger foods such as heads of lettuce, cabbage and melons * Unrelenting Sharpness: This hardness translates into a rock-like edge; edge retention is the most significant benefit of using ceramic blades * Unparalleled Purity: Ceramic is a pure and healthy alternative * Ultra Lightweight: Ceramic blades are typically half the weight of equivalent metal blades * Material composition: Blade-Zirconium Oxide, Handle-ABS Plastic