... Diamond Hook Sharpener One side is conic,another is half round with a groove Size:140mm Color:Blue or Silver Jiangyin Lijian Diamond ... are as follows:Electroplate Diamond Discs,Diamond Core Hole Drills,Diamond Needle Files and Resin-Bond Diamond and CBN Wheels.we ... ,you can contact with me directly. NameMulti-Purpose Diamond Hook SharpenerSize140mmColorBlue or SilverOtherOne Side Is Conic,Another Side ...