... as cylinders, triangles, rounds, rectangles, sharps, cubes, etc. Rectangle:1.5*1.5*3.5,1.5*1.5*4,1.5*1.5*5,2*2*10,3*3*10,4*4*10 ... *3,6*6*6*4.5,6.2*6.2*6.2*4.3,etc.Cylinders:1.5*4,1.8*4,2*4 ... ,3*8,4*10,5*10,6*10, 6.3 ... *3.3,6.5*3.3,8*3 ... drill bits for oilfields. Thermal Stable Polycrystalline Diamond 10*3.5*3.5