12" 5 TEETH PER INCH Sawzall® BLADE (PACKS OF 100, SOLD BY THE EACH) NAIL GUARD ™. Ordinary teeth deliver either speed or durability. NAIL GUARD ™ solves this trade-off with an aggressive 5 TPI pattern for faster cuts and a unique design that protects against tooth fracture. FANG TIP ™. Ordinary tips bounce or skate on the work piece. FANG TIP ™ bites into the wood on first contact. Matrix II bi-metal teeth for greater durability. Milwaukee® wood cutting Sawzall® blades have been engineered to deliver the fastest cuts, longest life, greatest tooth durability and quickest plunge cuts of any wood blade on the market.