The Milwaukee Tool 48-32-4035 13 Piece Driver Bit Set is a high-quality hand tool set designed for efficient screwdriving and nutrunning tasks. Made from durable alloy steel, these driver bits feature a 1/4 inch hex shank size for easy fitting in power tools. This set includes 13 pieces, each measuring 4 inches in length, making it versatile for various fastening applications. The Milwaukee brand is known for its reliability and manufacturer warranty, ensuring that these driver bits will last for years to come. Perfect for professionals and DIY enthusiasts alike, this set is a valuable addition to any workshop.