1) Size: 180 x(8mm,6mm,4mm,2.5mm)
2) Handle: Rubber dip handle, any color available
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