The Milwaukee 48-25-5520 1-3/8" Switchblade Selfeed Bit Replacement Blades come in a convenient 3-pack, designed specifically for the Milwaukee brand. These high-quality replacement blades are the perfect solution for those in need of a precise and durable drill bit for woodworking or metalworking projects. With a size of 1-3/8 inches, these blades provide a reliable and efficient performance, making them a valuable addition to any workshop or job site.