DUA/C-SILENT – A noise reduced laser welded blade with key hole gullets, conical segments and 4 deep draft segments for undercut protection and reduced vibration. Very fast cutting with very long life. Multi-layered core for noise and vibration reduction.USE ME FOR…Indian stone / Clay products / House bricks / Abrasive materials / All reinforced concrete types / Bricks / Concrete kerbs, lintels, beams & flags / Occasional use in asphalt