1)Replaced sharpening head. 2)It is used for Ceramic knife specially. 3)Diamond,ABS, Stainless steel, 1,Applicable to ... material guarantee high efficiency and fine sharpening result.4,Accurate angle guide and constant sharpening pressure reshape the perfect blade. ... noble, bright appearance, and easy to clean.6,Replaceable sharpening head, extend product life, economic and environmental protection.7, ...