【High Quality Screwdrivers】 These screwdrivers are made of high quality Carbon Steel, heat treated for higher hardness, corrosion resistance, not easy to use, deform and break, with black oxidized coating on head for extra durability. 【Strong magnetic head】Each screwdriver is equipped with a powerful magnetic head that can easily suck and pick up screws, preventing the loss of some parts, making the Very convenient and quick to use. 【Easy to Carry】These screwdrivers come with a perfect and sturdy plastic case, easy for you to use as well as transport and store. < p>【Versatile】These screwdrivers are perfect for all types of jobs, like construction, electrical, mechanical, engineering, DIY and home, daily home tool repair, auto repair , repair of bicycles and motorcycles, etc.