Ceramic knife, zirconium dioxide Ceramic material , also call zirconium dioxide, white ... white blade, looks very beautiful, high hardness makes the knife sharp enough. Never rust, very user love it very ... , blade thickness:1.5-1.65mm ,blade +handle:170mmABS yellow handle4"--Blade length:103mm , blade width:25mm , blade thickness: ... .0mm ,blade +handle:290mmABS green handle Ceramic Kitchen Knife kit