... ,5inch, 6inch knife&peeler 2.certificate:LDGB,FDA 3.acrylic block 5pcs kitchen balck knife set:Products detail:Model &Type:CB3456G3 ... Ceramic Knife SetBlade Material:Zirconium OxideHandle Material: ABS+TPRBlade Colour:White,Black,coated or as customer requestHandle Colour:Red,Black,Purple ... sizeµm<0.6Thermal conductivityW/(m.k)2.5 acrylic block 3pcs ceramic knife set