Diamond polishing recordsdata set 12Pcs CF-400 Diamond information are precisely manufactured with the highest quality diamond and give polishers quick access in tough areas, akin to rods and grooves They also present a superb surface finish Diamond cone recordsdata CF-400 Shape: Inclined aircraft Thickness: zero ~ 1 Width: 2mm, 4mm, 6mm, 8mm (3 pieces of each width) Grain size: a hundred and fifty , 2 hundred , four hundred (4 pieces of every grain size) Length: 180mm Effective bits: 50mm colour:silver Material:Diamond Package Contents: 12 x mechanical file Diamond polishing files set 12Pcs CF-400 Ultra Thin Flat Shaped File DIY Hand Tools 180mm Grit one hundred fifty 2 hundred 400 for metal Ceramic Glass Stone