The set includes: The tool set contains 7 sets of screwdriver bits, H1.5/H2/H2.5/H3/H4/H5/H6, 50mm long, which can meet your different needs. High quality material: These hex bits are made of high quality S2 steel, the hardness reaches 61 RCH, and the surface of the safety Torx head set is nickel plated, which has good anti-rust and anti-corrosion functions. It does not rust and keeps its shine even if exposed to air for a long time, it is stronger and more durable than others. Anti-rust coating: This useful screwdriver set has been integrally heat-treated, with high torque and hardness, not easy to break and wear, exquisite workmanship, each edge can be locked precisely. Strong Magnetic: The magnetized torx screwdriver head can easily fix screws, improving your work efficiency. Each edge of the Torx bit can be precisely locked without damaging the screw and screwdriver bit. Wide applications: Security Torx head set can be used in automobiles, maintenance, trucks, cars, engines, motorcycles, interiors, dashboards, computers, toys, equipment and electronics General public. High quality and powerful, one set is enough for one use.