Daredevil, 5/16" x 4" x 6", multipurpose drill bit, upgraded multi-grind heads deliver up to 85% faster drilling in metal than standard bits, hex shanks & impact rated allows use in impact drivers & hammer drill/drivers for added versatility, sharp ground cutting edges designed for advanced performance, steep flutes with ribs deliver fast material removal in multiple materials, multi-application design offers drilling in masonry, brick, block, tile, metal, wood & plastic, long life construction provides up to 9x life in multi-material applications than standard bits, no-skate tip design allows for cleaner holes, 4" flute length, 6" length, 6" overall length, 1/4" shank diameter, 4" useable length.