... 1.high temperature 2.wear resistance 3.high hardness TSP drilling bit inserts from Henan Union Abrasives Corp with super ... 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,etc.Triangle :4*4*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*3,10*2,10*3, etc. Application: Different TSP products ...