One Fit, 1-1/4", 18 Teeth Universal Bi-Metal Tin Storm Blade, One Fit Arbor Ensures Proper Fit On Oscillating Tool, CutAnything From Wood To Decking Screws Including PVC, Fits Fein, Bosch, Makita, Dewalt, Rockwell, Porter Cable, Milwaukee& More Oscillating Tools, Adaptor Included To Fit Dremel Quick Release & Old Rockwell.