10PCS Professionial Diamond Needle Files set (DT-NF-S101)

1.Abrasive: diamond powder.
2.Grit size: 40mesh-200mesh.
3.Shank Diameter size: 3mm,4mm,5mm,6mm;
4.length:140mm,160mm,180mm
5.Shank : plastic. (red,green,blue,black)
6.Bond: electroplated;
7.Usage: grinding,sharpening,polishing;
8.suitable for gemstone,ceramics,crystal,metal,hard alloy etc;
9.hot size: 5mm*140mm,6mm*180mm;
10. we have 10different shape for professional choice;
11.Package: pvc hangbag or upon request.