The Milwaukee Shockwave Screwdriver/Drill Bit Set 54pc 4932479855 is an ideal set for trade professionals as well as DIYers. Designed to be used with Impact Drivers this set can be used for many different applications and materials, such as plastics, woods, masonry and metals. In this set is a 5mm Hex Multi-Material Drill Bit, a 6mm Hex Multi-Material Drill Bit, a 8mm Hex Multi-Material Drill Bit, 36 Shockwave Screwdriver Bits, 4 Screwdriver Bits, a Carabiner set with 10 Bits, a magnetic Blade holder 60mm and a plastic case to store all bits in.