This Bosch 4-piece Glass and Tile Bit Set is expertly designed for tackling tough materials with confidence. Featuring a precision-ground tip, the bits minimize walking, ensuring accurate drilling every time. The carbide-tipped construction enhances longevity, while the reinforced head maximizes the bit life, making them ideal for prolonged use. Each bit in the set, which includes sizes 1/8 inch, 3/16 inch, 1/4 inch, and 5/16 inch, is equipped with a three-flat shank that ensures a superior grip within your drill. Perfect for professionals and DIY enthusiasts alike, this set offers the reliability needed for specialty drilling tasks in glass and tile.