... ,china(mainland) type: diamond hand pads brand name:KMJ usage:grinding ,polishing ,sanding KMJ-2714 diamond and CBN hand padsplace ... of origin:dongguan ,china(mainland)type:diamond hand pads brand name:KMJ usage:grinding ,polishing ,sandinggrit: 40 ... manufacturer 3,more economicThe superabrasive diamond and cbn sand paper products( abrasive belts, block, discs, pads, bands) are made ...