... 5", 6", 8", 10", 12", 14", 16", 18" Steel file, Wood raspSpecifications:1) Size: 4", 5", 6", 8", 10", ... card, plastic tied card, plastic sheath, plasticcase, BMCDiamond file with surface diamond electroplate coated for fine surface works preferable ... , file blanks are electroplated withultra high concentration of precisely graded diamond particles.4) Mainly used to finish grinding hard material ...