Woot offers CRAFTSMAN Bi-Metal Oscillating Tool Blade for Wood and Metal, 1 3/4 Inch (CMAO104) for $11.17 (orig. $15.99). Free shipping for Prime Members.

Product Description:
CRAFTSMAN General Purpose Bi-Metal Oscillating Blades are optimized to cut through wood, drywall, wood with nails, and metal. Universal Fitment design allows for quick, tool-free blade change.

• DURABLE BLADE DESIGN: Bi-Metal cutting edge optimized to cut through wood, drywall, wood with nails, metal
• UNIVERSAL FITMENT: UNIVERSAL FITMENT design for quick, tool-free blade change
• PLUNGE CUTTING. Tapered blade shape for removing chips and maneuverability while cutting