Premier Diamond Products Cold Cut saw blade is the ideal replacement for an abrasive disc when cutting ferrous steel on chop saws. The high quality tungsten carbide teeth cut cleanly and quickly with no sparks and almost zero burring. They're for use on low RPM chop saws, such as the Makita LC1230 and can be used to cut through a multitude of steel tubes, box sections, pipes, conduit, channel sections, studding and angle iron.