Made of high-quality steel? The bits are made of chrome vanadium and S2 tool steel, sturdy and durable. The non-slip matte surface, 360-degree rotation, and cane design with finger rest provide extra comfort. High hardness, high torque, can be used for a long time. Powerful function? Strong magnetic, screws can easily suck when used. With magnetic absorption, the parts adopt strong magnetism, which can firmly fix the screws. Get the perfect placement every time. Torx bits: There are different sizes of screwdriver heads: T6, T7, T8, T9, T10, T15, T20, T25, T27, T30, T40. So it is convenient for you to meet your different needs. Wide range of uses: suitable for electric screwdrivers, hand drills, cordless drills, pneumatic drills, etc. For home, hobby and car work. So practical, you will make your life easier. Shank Type? Exquisite workmanship, each side can tighten screws precisely, without damaging the screw and screwdriver head. Professional multi-size packaging, 75mm long edge hex