Ceramic knife is made by zirconium oxide by high temperature, it is very sharp, hard and keeping to use. Blade Length:51mm Total Length:145mm Blade Width 0.7mm Blade Thickness:0.3mm Blade Material:zirconium oxide Handle:abs Ceramic peeler These new ceramic blade peelers provide all of the benefits of a durable White Diamond Zirconium Oxide blade without the high cost usually associated with ceramic blade products. We have achieved an incredibly low price point with our new peelers by implementing optimally efficient manufacturing processes in conjunction with the very latest advances in equipment and materials science. In addition to a lower cost the optimization process has yielded an enhanced peeler design. The result is a lighter peeler that provides for a better grip that improves control and decreases fatigue. This new handle design also incorporates two other unique features: citrus peeler and potato "bud" remover. Try out one of our new 3-tools-in-1 ceramic blade peelers to see for yourself why we are "the sharpest choice in ceramic blade peelers."