copper sleeve. Size:circular and square hole. use:cut circle or abnormity on glass. accessory product for cutting machine pic1: circular hole pic2:square holeUse:can cut abnormity or circle on glass,tile.It is not use alone ,only accessory products for cutting machine.Shanghai toyo, can provide glass cutter,glass suction cups,glass pliers,diamond tools ,some spare parts , also can custom-made for ...
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