DEWALT Oscillating Blades are optimized to cut through wood, drywall, wood with nails, and metal. Bi-Metal technology provides wear resistance when cutting hard materials. Universal Fitment design allows for quick, tool-free blade change. Includes 1-1/4-in General Purpose (2), 1-1/4-in Wood Cutting (1), 2-in Rigid Scraper (1), 4-in General Purpose with Titanium Nitride Coating (1), ToughCase®+ Case DEWALT ToughCase®+ features clear lid for easy blade identification and a connectable design to optimize storage space LONG LIFE: Bi-Metal technology for wear resistance when cutting hard materials VERSATILE DESIGN: Bi-Metal cutting edge provides versatility to cut through wood, drywall, wood with nails, and metal UNIVERSAL FITMENT: UNIVERSAL FITMENT design for quick, tool-free blade change CUT THROUGH WOOD WITH NAILS. Durable tooth design optimized to cut through wood with nails