The Milwaukee Universal Fit OPEN-LOK™ HCS Japanese Tooth PRO-CURVE™ Hardwood Blades for Oscillating Multi-Tools are made from premium high carbon steel. This hardwood multi-tool blade has precision triple ground Japanese teeth and now includes PRO-CURVE™ giving you greater control and accuracy. This is Milwaukee's best multi-tool blade for making precise cuts with a smooth finish in hardwood and can also be used in other woods, PVC, drywall, and other soft materials. This MILWAUKEE® blade delivers up to 2X faster cuts than the previous generation of high carbon steel blades with a deeper plunge cut and a wider 1-3/8" cutting width. This multi-tool blade is designed and made in the USA with global materials.