Diablo, 5 Pack, 9-10/14", Flush Cut, Bi-Metal Reciprocating Saw Blade, Perma Shield Coating Protects These Blades From Heat, Gumming & Corrosion, Patented Aggressor Variable Tooth Technology Incorporates TPI That Drastically Increases From The Shank Of The Blade To The Tip Allowing For Super-Fast Cuts With Less Vibration.