Milwaukee 48-01-2021 6” 5 TPI SAWZALL THE AX Nail Embedded Wood Blades (25PK) The Milwaukee 48-01-2021 6” 5 TPI SAWZALL® THE AX™ Nail Embedded Wood Blades have been engineered with MILWAUKEE® NAIL GUARD™ technology to deliver you 2X faster cuts, the longest life and greatest tooth durability of any wood demolition blades on the market. Our innovative FANG TIP™ bites into wood on first contact for the quickest plunge cuts into both wood and nail-embedded wood for increased versatility. With a thicker, more rigid blade body, these SAWZALLS® resist fracturing and bending to maximize durability in the toughest applications. The wood cutting blade has a 1” tall blade body that reduces blade twisting for straighter, more accurate cuts.