1HIGH HARDNESS ALLOY STEEL MATERIAL: The screwdriver bits are constructed from high hardness S2 alloy steel, ensuring durability and reliability. They offer excellent impact resistance, ensuring that they won't deform even with prolonged use. 2DUAL HEAD DESIGN: The double-headed design enhances convenience and versatility. Users can easily switch between different heads, allowing for quick adaptation to various situations and improved work efficiency. 3WIDE APPLICATION: These screwdriver bits are compatible with electric drills, making them ideal for a diverse range of applications such as home repairs and mechanical maintenance. They are designed to fulfill the everyday needs of users. 4LONG LASTING: With their premium sturdy construction, these screwdriver bits have a longer lifespan than other options available. Users can depend on them for extended durations without concerns of wear and tear. 5RELIABLE PERFORMANCE: Featuring outstanding impact resistance and excellent craftsmanship, these dual head screwdriver bits provide reliable performance. Users can trust that they will accomplish tasks efficiently and effectively, every time.