Milwaukee 6-1/4 in. Carbide Tooth Hole Saw is designed to deliver extreme durability and long life in tough cutting applications. Featuring advanced Carbide technology, this Big Hawg™ hole saw provides 50 times the lifespan d to standard saws and can cut through over 1000 nails. Its 10 times larger Carbide teeth enable it to cut materials five times faster, while deeper slots allow for quick and easy removal of plugs. This hole saw is capable of cutting through the most challenging materials, including nails, cement board, shingles, plaster, and stucco, making it an essential tool for demanding jobs. Model Number: 49-56-9275