The Milwaukee 12-Piece HOLE DOZER with Carbide Teeth Plumber's Hole Saw Kit features a new 3 TPI design that offers users fast cuts with the durability of a bi-metal hole saw and life of a carbide hole saw. This Milwaukee hole saw provides the longest life in general purpose and extreme materials with the ability to cut through stainless steel, cast iron, fastener embedded wood, cement board, fiberglass, plaster, asphalt shingles and more with ease. Deep gullets clear material fast while cutting and Milwaukee's ALL-ACCESS SLOTS solve the frustration of plug removal, making users more productive with less downtime between holes. The new slot design also gives users increased pilot visibility for accurate placement and faster chip ejection keeping their cut cool. Milwaukee HOLE DOZER with Carbide Teeth Hole Saws are proudly made in the USA. The Milwaukee BIG HAWG with Carbide Teeth is the best hole saw solution for nail-embedded wood and abrasive material applications. This first-to-market hole saw offers extreme life utilizing advanced carbide technology. The BIG HAWG gives users 50X more life in demanding applications with the ability to cut 1000+ more nails. The heavy duty hole saw has 10X larger carbide teeth that rip through materials five times faster. Deeper slots allow for fast and easy plug removal. The BIG HAWG hole saw is the best solution for cutting through the toughest materials, including nails, cement board, shingles, plaster and stucco.