In a sturdy plastic case with a secure closure and integrated carrying handle. The optimal addition for all battery-operated screwdrivers, drills, and electric drills. Extensive wood, metal, and stone drill bits, hex sockets, and a selection of bits in common sizes for quick use in the machine. Fast bit changes with the included bit holder, including a countersink for working with softwood at low speeds. All bits and bit holders are made from high-quality chrome-vanadium steel.