This 5-piece drill set by Blackspur is perfect for masonry applications such as drilling through brick, concrete, and stone. The set includes drill bits ranging from 4-10mm in diameter and made of carbon steel with a round shank type. Whether you're a DIY enthusiast or a professional in the construction industry, this set is guaranteed to provide you with the right tools for the job. The drill bits are suitable for use with a variety of drill types and are built to last. With a brand name you can trust, this drill set is a must-have for anyone looking to tackle masonry projects. Order now and take the first step towards completing your next project with ease.