Features: The distinctive shape design provide a larger contact area, ensuring stable force transmission and improved efficiency during use. Crafted from solid metal or other resilients materials, it is resistant to wear and corrosion, and extends the tool’s longevities. Available in various measurements to fit different screws and components, meeting diverse work requirements with flexibility. The integrated bit design eliminates the hassle of disassembly and assembly, enabling quick changes and increased productivity. Compatible for broad selection of electric and air drive devices, increasing the tool adaptability for professional applications. Specifications: Component: Metal Color: Black Option Type:8pcs ,10pcs; 1Set/8pcs includes:H5 H6 H8 H 10 H12 H14 H17 H19; 1Set/10pcs includes:H5 H6 H7 H8 H 10 H12 H14 H16 H17 H19; Purpose: H type hexagonal wrench have become indispensable and important accessories in professional tool such as rotating gear, pneumatic rotating gear. Package Includes: Package A 1Set/8pcs Hexagonal Drive Socket Package B 1Set/10pcs Hexagonal Drive Socket note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.