The MILWAUKEE OPEN-LOK HCS Wood Multi-Tool Blade Variety Pack 3PC provides you with an assortment of optimal cutting performance in wood, PVC, drywall, and other soft materials. These high carbon steel (HCS) blades are designed with aggressive, edge-ground teeth for fast wood cutting. The blades feature a reinforced Universal Fit OPEN-LOK anchor for better strength & control and allow for quick blade changes across 100+ multi-tools. Not compatible with Starlock tools. MILWAUKEE oscillating multi-tool blades are designed and made in the USA with global materials.