The Milwaukee Tool 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 a includes PRO-CURVE tooth edge, giving you greater control and accuracy in plunge cuts. 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. This multi-tool blade is designed and made in the USA with global materials.