The Vessel Tool Impact Ball Screwdriver Bit is a high durability bit designed to be used with power tools and provide longer durability. The bit can be used two ways, directly in the tool or in a bit holder of a power tool. These bits may also be used with hand tools. The Impact Ball Screwdriver Bit uses a VoHA alloy in its steel, as well as shock absorption at the ball torsion part of the bit for increased durability.