... and Efficienc 4.Material:wool NameFlat Glass Polishing Felt WheelMaterialwoolSpecification150*70*40mm,Other specification Can be customizedBrandHualunusageat ... Price Ratio and excellent quality, good brightness, high cutting efficiency. Polish stainless steel,glass,marble,crystal,jade ... ,the medicial instument,the special machine parts,the cutting tool and so on. MachineEdge beveling machine, straight ...