The 13-piece sawzall reciprocating saw blade set from MILWAUKEE offers a varied assortment of wood and metal cutting Sawzall blades for a wide range of applications. The wood cutting blades feature FANG TIP and NAIL GUARD technology which extends blade life and increases durability in nail-embedded wood. The think-kerf meal blades also offer an extended life with fast, flexible cuts. The torch blades feature Grid Iron Technology that help increase stiffness. Get the tough yet flexible and extremely durable blades you need to finish any project. Wood cutting blades have a 5 TPI design for fast aggressive cuts. Wood-cutting blades with FANG TIP and NAIL GUARD technology to extend blade life and increase durability in nail-embedded wood. Optimized tooth design providing longer life than standard bi-metal blades. Sawzall blades Tough Neck ribs strengthen the blade tang and minimize breakage. Grid iron honeycomb pattern increases blade rigidity to resist blade buckling. Includes a durable and convenient case for blade storage.