Diamond Needle File Set / Diamond File Set Diamond File / Diamond Hand Tool Features: 1) Standard Shape: 5 shapes flat, semi-round, square, triangle, round, or upon request 2) Dimension (diameter x length x length of coating): 3 x 140 x 50mm; 3 x 140 x 70mm; 4 x 160 x 50mm; 4 x 160 x 70mm; 5 x 180 x 70mm, or upon request 3) Diamond grit: 80 - 600 available 4) Coating: nickel, chrome, titanium available 5) Packing: 5pcs/set, or upon request