The MILWAUKEE Universal Fit OPEN-LOK Oscillating Multi-Tool 1-3/8″ HCS Wood Blade 10 Pack is made from premium high carbon steel with edge ground teeth, providing optimal cutting performance in wood, PVC, drywall, and other soft materials. This Milwaukee blade delivers faster cuts than the previous generation of high carbon steel blades with more teeth and an increased 1-3/8″ cutting width with a deeper plunge cut. This wood cutting blade for multi-tools is designed and made in the USA with global materials.