-Hi-ATB design with negative (-5) rake angle tooth geometry - NO TEAR OUT!-Traditional full-kerf, European Style blade design-C-4 hardness, super fine grain, anti-corrosive carbide tips for the keenest edges and extended sharp life-Specially developed, top-grade, super fine grain carbide tip-NEW Additional, resin-filled, laser cut body slots succeed in vibration dampening to an even greater extent-Exhaustive, hand-hammer plate tensioning assures truer and smoother cuts-Longer Lasting than our competitors or our economy series