Features: Unlocks the full potential of your projects with our 20piece Black hexagonal Bit Set (Magnetic), featuring both SAE and Metric size for use across various fasteners. These hexagonal bit resist wear and rusts, crafted from high strength steel to withstands rigorous use without deformation. Suitable for mechanical engineers, DIY enthusiasts, and assembly line workers, this set ensures precisions and efficiency in maintenance and assembly tasks. Whether at a workshop or on a production line, this comprehensive hexagonal bit kit is essential for quickly tightening or disassembling bolts and nut. Each bit is clearly marking with its size, streamlining your workflow and allowing you to identify the right tool for the job, enhancing productivity and safety. Specifications: Component:Metal Package Includes: 20Pcs 1/4 hexagonal Bit note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color.