- Versatile specifications and broad compatibility: includes multiple styles and sizes to fit different hex socket screws, making it suitable for a wide range of tasks. - High-quality materials and corrosion resistance: made from high-hardness steel for strong torque; sandblasted finish with galvanization for enhanced rust protection. - Non-slip bit holder design with attractive galvanization: a non-slip card slot helps keep the bit in place during use, making insertion and removal easier; galvanized finish adds extra corrosion resistance. - 40-piece hex key set: stable and durable construction designed to support frequent use. - Use case: assembling flat-pack furniture and other household items that require hex screws. - Use case: bicycle maintenance, tightening hex bolts on components such as stems, brakes, and cranks. - Use case: general equipment, machinery, and appliance repair where hex screws are used.