One Fit, 10 Pack, 2-1/2", Wood With Nails, Bi-Metal, Tin, Storm Blade, One Fit Arbor To Ensure Proper Fit On Oscillating Tool, Titanium Coating On Blade Makes It Last Longer Than Regular Blades, Cut Anything From Wood To Decking Screws Including PVC, 1-1/4", Universal, Bi-Metal Tin Storm Blade, 18 Teeth, Arbor Ensures Proper Fit For Oscillating Tool, Cut Anything From Wood To Decking Screws Including PVC, Fits Milwaukee, Fein, Bosch, Makita, Dewalt, Rockwell, Porter Cable & More Oscillating Tools, Adaptor Included To Fit Dremel Quick Release & Old Rockwell.