Ariel EDGE Quick Cut Ceramic Steak Knife Set No Rust Dishwasher Safe GOOD QUALITY  Set contains four knives with sharp serrated ceramic blades. EASY HYGIENE  Dishwasher safe. BE UNIQUE  Make every detail of your meal perfect with colorful knives STRONG BLADES  Blade Thickness: 1.6-1.7 mm. Blade Length: 11.4 cm HASTLE FREE  Ceramic Blades= No Rust, need less frequent sharpening than metal