4'' ceramic knife ,extra harder , extra sharp blade, stain and rust proof,lowest price,sale to USA and Europe 4" ceramic knife (high quality&pass FDA test of SGS)Material:zirconia oxide blade,ABS handle with rubberthickness:2mmTotal length: 20.5cm, blade 9.8cmLx1.95cmWhandle 11cmL Packaging:Black boxmeas:48pcs/ctn,27x24.5x35cm