POWER ARC CURVED BLADE.Delivers up to 2X longer life vs. traditional straight LENOX® recip blades.AGGRESSIVE BLADE DESIGN.Optimizes the blade's angle of attack for faster cutting in a variety of materials.EXTENDED BLADE LIFE .T2™ Technology and precision applied titanium coating help dissipate heat making blades last longer.FASTER CUTS .Titanium coating makes teeth more wear-resistant so they stay sharp for quicker cuts