The WorkPro 15-Piece Masonry Bit Set is perfect for drilling brick, block and other masonry materials. The set features quality carbide tips for long life. It is an essential addition to any toolbox. The brad points on the ends of each drill bit allow for greater precision and cleaner holes when drilling wood. The WorkPRO Brad Point Drill Bit Set is great for home or professional projects. With a variety of standard sizes, you will have everything you need. The set includes 3 pieces of 1/8-inch; 3 pieces of 5/32-inch;3 pieces of 3/16-inch;2 pieces of 1/4-inch; 2 pieces of 3/8-inch and 2 pieces of 5/16-inch. The 15-piece brad point bit sit includes a storage and organization case to keep you ready for any project.