Milwaukee 3-3/4" Hole Dozer Hole Saw features a new 3.5 TPI tooth design that the longest life in metal applications. These bi-metal hole saws come with the industry's only Lifetime Tooth Break Warranty, making them the most durable choice for all general purpose applications. The innovative ALL-ACCESS SLOTS design solves the frustration of plug removal, increasing productivity with less downtime between holes. This new slot design also enhances pilot visibility for accurate placement and speeds up chip ejection to keep the cut cool. The HOLE DOZER™ Thermoset Coating enables faster cutting and is optimized for cordless tools, delivering 25% more holes per charge. Proudly made in the USA, Milwaukee HOLE DOZER™ Bi-Metal hole saws combine durability and efficiency for professional results. Model Number: 49-56-0203