A professional quality ductile iron blade at a reasonable price for the contractor tired of dealing with an inferior product. This is the diamond blade that started the revolution. Before this diamond blade was introduced a few years ago, pipe cutting was better left to abrasives. With our unique segment mixed specifically for the pipe and the electroplated diamond dust in a swirl pattern on the blank of the blade creating a deburring action, this blade does the job. In the past few years there have been many copies of this blade but the imitators simply don’t measure up. Don’t be fooled. This is the original. When you hold this blade in your hands you will realize the difference right away. Cuts ductile iron, schedule 40 carbon steel, culvert pipe, concrete pipe, commercial grade pvc & cured concrete.