Our oscillating tool blades are the best value on the market with similar blades selling for 2 or even 3 times more. The tapered sealant cutter is great for removing virtually all caulking and sealants with ease and works especially well in deep joints. The mount system is designed to fit the FEIN SuperCut and Festool Vecturo. Notes: Not compatible with FEIN MultiMaster, Rockwell SoniCrafter, or Dremel Multi-Max. All trademarks and trade names are property of their respective owners. Sold as 5 pack.