50pcs combo emery grinding head alloy sand jade carving polishing engraving machine accessory needle grinding abrasive too l

suitable for use on electric grinders and table grinders uses:jade peeling grinding engraving metal abrasive tools finish grinding deburring carving,glass engraving it is made of imported diamond powder and it has hardness, wear resistance, and excellent impact resistance. the product involves stone, ceramics, glass, hard alloy, gemstone processing, etc. it has a small slitting and can be used for grinding. , cutting the surface of the object, a wide range of applications