Bosch 3/8" x 4" x 6" Daredevil Multi-Purpose Drill Bit. It features upgraded multi-grind heads that deliver up to 85% faster drilling in metal than standard bits. The hex shanks and impact rating allow use in impact drivers and hammer drill/drivers for added versatility. The sharp ground cutting edges are designed for advanced performance, while the steep flutes with ribs deliver fast material removal in multiple materials. The multi-application design offers drilling in masonry, brick, block, tile, metal, wood, and plastic. The long-life construction provides up to 9X life in multi-material applications than standard bits. The no-skate tip design allows for cleaner holes.