Starlock, 3 Piece, Oscillating, Blade Set, Mixed Set For Applications In Metal, Wood & Other General Purpose Materials,Works With OIS Compatible Tools Including Bosch, Fein, Milwaukee, Makita, Rigid & Others, Includes: 1-1/4" Carbide Blade, 1-1/4" Bi-Metal Blade, 1-1/4" & High Carbon Steel Blade.