... )Replaced sharpening head. 2)It is used for Ceramic knife specially. 3)Diamond,ABS, Stainless steel, 1, ... to kitchen knives of various materials and ceramic knives.2,For ceramic knives, best results and fast.3,Diamond ... and ceramic material guarantee high efficiency and fine sharpening ... VAC, 50HZ—60HZ.It has passed CE . Ceramic Knife Electric Diamond Knife Sharpener