The Milwaukee SHOCKWAVE Screwdriver Bit Set is a selection of popular 50mm impact duty drivers stored on a rail attached to a carabiner – perfect for hanging inside your tool kit or on your belt while on site.The screwdriver bits are made from Chrome-Molybdenum, a high quality alloy steel that provides impressive strength properties along with outstanding durability making them perfect for heavy duty applications. Whether drilling or fixing, these screwdriver bits include laser hardened Wear Guard Tip for improved wear resistance and fit protection over the lifespan of the bit. Thanks to the unique design of the driver bits, they include SHOCK ZONE geometry which allow the bits to flex without breaking. This technology controls the pressure that develops at the head of the bit. This, along with the design of the impact zone as well as the special heat treatment each bit received in manufacturing, these make them more resistant to impact damage.