Spyder Double-Sided Oscillating Tool Attachments, Make precise cuts and put the finishing touch on your job in a fraction of the time. Useful on almost any project, our double-sided oscillating tool attachments will quickly become the go-to items in your accessory toolbox. Our Universal Blades are great for cutting through virtually any material, including wood with nails, drywall, plastics, non-ferrous metals and fiberglass.