Diamond Straight Pitch File

1) Size: 180 x(8mm,6mm,4mm,2.5mm)
2) Handle: plastic
3) Diamond grits: #180(yellow),#240(red),#320(green)
4) Diamond coating width: 50mm
5) The files are used for grinding the hard materials such as tungsten
carbide, steels , ceramic and glass.
6) Packing: Blister
12pcs/set,three different grit size