Our Universal Fit OPEN-LOK™ Titanium Enhanced Bi-Metal Metal Oscillating Multi-Tool Blades are made from premium high-speed steel. These bi-metal blades are ideal for cuts in soft metal, wood, nails, PVC, and drywall. The MILWAUKEE® bi-metal multi-tool blades are enhanced with a titanium coating to deliver longer life and faster cuts than the previous generation. These oscillating multi-tool blades are designed and made in the USA with global materials. Available in 28mm,45mm cutting widths in 1 or 3 packs and 89mm cutting width in a 1 pack.