Universal dual interface directly fits all oscillating tools without the use of an adapter, *excluding StarLockCompatible with Dremel, Bosch, Makita, Milwaukee, Rockwell, DeWalt, Fein, Porter Cable, RidgidUsed for removal of soft materials such as caulk in hard to reach areasMake sure the blade is flexed during the scraping processA 30 degree to 45 degree pitch is recommended
