The MILWAUKEE® Universal Fit OPEN-LOK™ 3/8" Titanium Enhanced Bi-Metal Oscillating Multi-Tool Blade 1 Pack is made from premium high-speed steel. This 3/8" bi-metal blade is ideal for cuts in wood, nails, PVC, and drywall. The titanium enhanced bi-metal multi-tool blades deliver faster cuts vs the previous generation, featuring more teeth with an increased cutting width and a deeper plunge cut. These oscillating multi-tool blades are designed and made in the USA with global materials.