The Bosch 6-Piece SDS Plus Hammer Drill Bit Set is perfect for the completion of challenging DIY projects. Made from premium-grade materials, this set allows for durable and reliable use. It features a tungsten-carbide tip for consistent drilling in masonry and concrete. Its spirally shaped head enables quick and easy removal of dust. This drill bit set also ensures exceptional power transfer during drilling jobs.-Grey-Size (9.8x19.2x1.8)