Blade Width: 1-1/4"Starlock Interface For Professional Performance , Also Works With OIS Compatible Tools Including Bosch, Fein, Milwaukee, Makita, Rigid And MoreCurved Tec Blade Design For Greater Control And Smooth, Precise Plunge CutsUsed For Xtra Clean Cuts Of WoodColor Coded Interface And Laser Etched Blade To Quickly Identify The Right Blade