Milwaukee 7-PC Hollow Shaft Metric Nut Drivers versatile universal driver heads that fit a variety of fasteners including square, hex, 12-point, and spline types. Crafted for exceptional durability, these nut drivers feature wrench-ready forged steel shanks and a chrome-plated coating that delivers maximum marine-grade rust protection. The 3-inch hollow shafts are for reaching long bolts or threaded rod applications, making them i for removing rusted or stripped bolts. For added convenience, each tool is marked with multiple ID sizes for quick and easy identification, ensuring efficient use on any job. Model Number: 48-22-2448