Quantity: 2Blade Width: 3/4" And 1-1/4"Starlock Interface For Professional Performance , Also Works With OIS Compatible Tools Including Bosch, Fein, Milwaukee, Makita, Rigid And MoreCarbide Teeth For High Performance In Metal And Other Materials30X Life Compared With Standard Bi-Metal BladesColor Coded Interface And Laser Etched Blade To Quickly Identify The Right Blade