a)Standard Shape: 5 shapes (flat, semi-round, square, triangle, round), or upon request b)Dimension(Diameter*Length*Length of Coating): ?3*140*50mm ?3*140*70mm ?4*160*50mm ?4*160*70mm ?5*180*70mm, or upon request c)Diamond Grit: #80 - #600 available d)Coating: nickel, chrome, titanium available e)Packing: 5Pcs/Set, or upon request