Introducing the IRWIN 373001 3/8" Hex Shank Hole Saw Mandrel, designed for both durability and performance. Crafted with tough materials, this mandrel ensures long-lasting use, making it a reliable choice for your drilling needs. It is compatible with 3/8 inch and 1/2 inch drill chucks, providing versatility for various projects. The removable pilot drill feature allows for effortless replacement, ensuring you can keep working without interruption. Upgrade your toolkit with this essential accessory and experience the difference in your drilling tasks. Don't miss out—order yours today and enhance your drilling efficiency!