The 4-piece masonry drill bit set from Bosch Accessories is an essential tool for anyone looking to perform precise drilling tasks in stone and masonry. Each set includes drill bits with diameters of 5 mm, 6 mm, and 8 mm, specifically designed for working with hard materials. The bits feature a cylindrical shank that ensures a secure and stable connection with various drills. This set is ideal for DIY enthusiasts and professionals engaged in both renovation and new construction. The drill bits are designed for use in masonry, allowing for the creation of holes with a maximum size of 8 mm. Made in China, this set offers a combination of quality and functionality that meets the demands of challenging applications. The 4-piece masonry drill bit set is a practical solution for those who value efficiency and precision.