Double Head Design for Tight Space: Features a 90degree double head structure that easily accesses corners and confined space, enhancing work efficiency across various scenarios with versatile Broad Compatibility: Works seamlessly with most electric screwdrivers and driver bit, offering wide adaptability to meet tool brands and models Ergonomic & Fatigue Reducing: Engineered with a comfort focused grip to minimize wrist strain, ideal for prolonged fastening or loosening tasks without discomfort Secure Swivels Mechanism: Equipped with a unique selflocking function to slippage during rotation, ensuring stable and reliability operate for and convenience Durability & MultiPurpose Use: Made from high carbon steel for wear / rust resistance, this compactly tool use in homes repairs, furniture assembly, and electronics maintenance, Manufacturer: HENYGEN