The Milwaukee Electric Tools 49-66-4567 Milwaukee Tool 6 Piece Shockwave Impact Duty is a set of high-quality drill bits designed for power tool and air tool applications. Made by the reputable brand Milwaukee Electric Tools, these shockwave impact duty bits are specifically created to withstand the high torque and forces generated by impact drivers and other power tools. With this set, users can trust in the durability and performance of these drill bits for various home and garden projects.