... .The main products are as follows:Electroplate Diamond Discs,Diamond Core Hole Drills,Diamond Needle Files and Resin-Bond Diamond and CBN Wheels.we can make ... in our products,you can contact with me directly NameElectroplated Diamond Core DrillShankHexagon or roundGrit#40Dia6mm-128mmColorgreenApplicationglass,ceramic,granite,marble,tile stone ...