This ceramic knife set contains 2 commonly used kitchen knives. The 5.5" santoku is an all-purpose knife for slicing of fruits, vegetables, and meats. The 4" utility knife is perfect for tasks such as trimming and julienning. These ultra-sharp, pure advanced ceramic blades will maintain their edge up to 10x longer than, steel blades. They are lightweight, easy to clean, rust-proof and resistant to acids. Ideal for slicing fruits, vegetables and boneless meats, but not to be used on hard or frozen foods. Dishwasher safe.