Milwaukee 4-3/8'' Hole Dozer Hole Saw features the innovative 3.5 TPI tooth design that delivers the longest life in metal applications. Designed for durability, these bi-metal hole saws come with the industry's only Lifetime Tooth Break Warranty, making them i for all general purpose cutting needs. The ALL-ACCESS SLOTS provide easy plug removal, reducing downtime and boosting productivity. This new slot design enhances pilot visibility for precise placement and improves chip ejection, keeping the cut cool. The HOLE DOZER™ Thermoset Coating enables faster cutting and is optimized for cordless tools, allowing you to complete 25% more holes per battery charge. Proudly made in the USA, this hole saw combines advanced features for superior performance and reliability. Model Number: 49-56-0227