One Fit, 2-1/2", Universal Wood With Nails, Bi-Metal Tin Storm Blade, One Fit Arbor To Ensure Proper Fit On OscillatingTool, Titanium Coating On Blade Makes It Last Longer Than Regular Blades, Cut Anything From Wood To Decking Screws Including PVC, Cut Anything 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.