Kyocera Innovation Ceramic Knife Block Sets, Blade Sizes: 7", 5.5", 5", 4.5", StainlessLightweight, well balanced design that reduces hand and wrist fatigue from repetitive cutting tasks. Reduce knife maintenance with a razor like cutting edge that stays sharper 2x longer than traditional white ceramic blades. The solid ceramic blade will never rust or react to foods, making it a pure and healthy approach to cutting fruits and vegetables. SECURED PACKAGE: Comes with securely packaged with care, makes for a great gift and storage uses.